## CBSE Class 9 Heron’s Formula MCQ By Clarify Knowledge

*CBSE Class 9 Heron’s Formula MCQ New Pattern 2022*

## OUR EBOOKS CAN HELP YOU CLASS 10 BOARD

## CODE IS EASY CAN HELP YOU IN SEMESTER 2

## CBSE Class 9 Heron’s Formula MCQ Table

Question 1.

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

(a) 32−−√ cm

(b) 16−−√ cm

(c)48−−√ cm

(d) 24−−√ cmAnswer

Question 2.

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

(a) 10√3 m²

(b) 15√3 m²

(c) 20√3 m²

(d) 100√3 m²Answer

Question 3.

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

(c) 1344 cm²

(d) 1392 cm²Answer

Question 4.

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

(a) 5.196 cm²

(b) 0.866 cm²

(c) 3.496 cm²

(d) 1.732 cm²Answer

Question 5.

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

(a) 8 cm

(b) 36 cm

(c) 4 cm

(d) 6 cmAnswer

Question 6.

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

(a) 48 cm

(b) 24 cm

(c) 12 cm

(d) 36 cmAnswer

Question 7.

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

(c) 24√5 cm

(d) 28 cmAnswer

Question 8.

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

(a) 15−−√ cm²

(b) 152−−√ cm²

(c) 215−−√5 cm²

(d) 415−−√ cm²Answer

Question 9.

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

(c) Rs 2.48

(d) Rs 3.00Answer

Question 10.

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

(c) 336 cm²

(d) 504 cm²