A circle, with radius 8 cm, which has the area equal to the area of a triangle with base 8 cm. Then the length of the corresponding altitude of triangle is :
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 16π cm
Area of circle = πr2
Area of Triangle = 1/2 × base × height
Area of circle = π82 = 64π
given that area of circle = area of triangle
64π = 1/2 × 8 × height
height = 64π / 4 = 16π.