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9th Class - Math | Chapter: Heron’s MCQs

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Q1) Area of triangle is equal to

(A) Base x Height

(B) 2(Base x Height)

(D) 1/2(Base + Height)

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Q2) If the perimeter of a equilateral triangle is 180 cm. Then its area will be

(A) 900 cm²

(B) 900√3 cm²

(D) 600√3 cm²

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Q3) The sides of a triangle are 122 m, 22 m and 120 m respectively. The area of the triangle is

(A) 1320 sq.m

(B) 1300 sq.m

(D) 1420 sq.m

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Q4) The area of triangle with given two sides 18cm and 10cm respectively and perimeter equal to 42 cm is

(A) 20√11 cm²

(B) 19√11 cm²

(D) 21√11 cm²

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Q5) The sides of a triangle are in the ratio 12 : 17 : 25 and its perimeter is 540cm. The area is

(A) 1000 sq.cm.

(B) 5000 sq.cm.

(D) 8000 sq.cm.

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Q6) The equal sides of isosceles triangle are 12 cm and perimeter is 30 cm. The area of this triangle is

(A) 9√15 sq.cm

(B) 6√15 sq.cm

(D) √15 sq.cm

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Q7) An isosceles right triangle has area 8 cm². The length of its hypotenuse is

(A) \(\sqrt{32}\) cm

(B) \(\sqrt{16}\) cm

(D) \(\sqrt{24}\) cm

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Q8) The perimeter of an equilateral triangle is 60 m. The area is

(A) 10√3 m²

(B) 15√3 m²

(D) 100√3 m²

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Q9) The sides of a triangle are 56 cm, 60 cm and 52 cm long. Then the area of the triangle is

(A) 1322 cm²

(B) 1311 cm²

(D) 1392 cm²

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Q10) The area of an equilateral triangle with side 2√3 cm is

(A) 5.196 cm²

(B) 0.866 cm²

(D) 1.732 cm²

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Q11) The length of each side of an equilateral triangle having an area of 9√3 cm² is

(A) 8 cm

(B) 36 cm

(D) 6 cm

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Q12) If the area of an equilateral triangle is 16√3 cm², then the perimeter of the triangle is

(A) 48 cm

(B) 24 cm

(D) 36 cm

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Q13) The sides of a triangle are 35 cm, 54 cm and 61 cm. The length of its longest altitude is

(A) 16√5 cm

(B) 10√5 cm

(D) 28 cm

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Q14) The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm is

(A) \(\sqrt{15}\) cm²

(B) \(\sqrt{\frac{15}{2}}\) cm²

(D) 4\(\sqrt{15}\) cm²

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Q15) The edges of a triangular board are 6 cm, 8 cm and 10 cm. The cost of painting it at the rate of 9 paise per cm² is

(A) Rs 2.00

(B) Rs 2.16

(D) Rs 3.00

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Q16) The base of a right triangle is 48 cm and its hypotenuse is 50 cm. The area of the triangle is

(A) 168 cm²

(B) 252 cm²

(D) 504 cm²

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Q17) A quadrilateral whose sides are 3cm, 4cm, 4cm, 5cm and one of the diagonal is equal to 5cm as per the below figure. The area of the quadrilateral is

(A) 19.17 sq.cm

(B) 15.17 sq.cm

(D) 22.17 sq.cm

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Q18) The area of an equilateral triangle having side length equal to √3/4cm is

(A) 2/27 sq.cm

(B) 2/15 sq.cm

(D) 3/14 sq.cm

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Q19) The sides of a parallelogram are 100 m each and length of the longest diagonal is 160m. The area of parallelogram is

(A) 9600 sq.m

(B) 9000 sq.m

(D) 8800 sq.m

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Q20) The sides of a triangle are in the ratio of 3 : 5 : 7 and its perimeter is 300 cm. Its area will be

(A) 1000√3 sq.cm

(B) 1500√3 sq.cm

(D) 1900√3 sq.cm

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9th Class - Math | Chapter: Heron’s MCQs

Q1) Area of triangle is equal to

Q2) If the perimeter of a equilateral triangle is 180 cm. Then its area will be

Q3) The sides of a triangle are 122 m, 22 m and 120 m respectively. The area of the triangle is

Q4) The area of triangle with given two sides 18cm and 10cm respectively and perimeter equal to 42 cm is

Q5) The sides of a triangle are in the ratio 12 : 17 : 25 and its perimeter is 540cm. The area is

Q6) The equal sides of isosceles triangle are 12 cm and perimeter is 30 cm. The area of this triangle is

Q7) An isosceles right triangle has area 8 cm². The length of its hypotenuse is

Q8) The perimeter of an equilateral triangle is 60 m. The area is

Q9) The sides of a triangle are 56 cm, 60 cm and 52 cm long. Then the area of the triangle is

Q10) The area of an equilateral triangle with side 2√3 cm is

Q11) The length of each side of an equilateral triangle having an area of 9√3 cm² is

Q12) If the area of an equilateral triangle is 16√3 cm², then the perimeter of the triangle is

Q13) The sides of a triangle are 35 cm, 54 cm and 61 cm. The length of its longest altitude is

Q14) The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm is

Q15) The edges of a triangular board are 6 cm, 8 cm and 10 cm. The cost of painting it at the rate of 9 paise per cm² is

Q16) The base of a right triangle is 48 cm and its hypotenuse is 50 cm. The area of the triangle is

Q17) A quadrilateral whose sides are 3cm, 4cm, 4cm, 5cm and one of the diagonal is equal to 5cm as per the below figure. The area of the quadrilateral is

Q18) The area of an equilateral triangle having side length equal to √3/4cm is

Q19) The sides of a parallelogram are 100 m each and length of the longest diagonal is 160m. The area of parallelogram is

Q20) The sides of a triangle are in the ratio of 3 : 5 : 7 and its perimeter is 300 cm. Its area will be

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