The radius of a circle is 20% more than the height of a right-angled triangle. The base of the triangle is 36 cm. If the area of triangle and circle be equal, what will be the area of a circle?
(a)
72 cm2
(b)
128 cm2
(c)
144 cm2
(d)
216 cm2
The radius of a circle is 20% more than the height of a right-angled triangle. The base of the triangle is 36 cm. If the area of triangle and circle be equal, what will be the area of a circle?
(a)
72 cm2
(b)
128 cm2
(c)
144 cm2
(d)
216 cm2
Question ID - 50531 | SaraNextGen Top Answer
The radius of a circle is 20% more than the height of a right-angled triangle. The base of the triangle is 36 cm. If the area of triangle and circle be equal, what will be the area of a circle?
(a)
72 cm2
(b)
128 cm2
(c)
144 cm2
(d)
216 cm2
|
The radius of a circle is 20% more than the height of a right-angled triangle. The base of the triangle is 36 cm. If the area of triangle and circle be equal, what will be the area of a circle? |
|||||||
|
(a) |
72 cm2 |
(b) |
128 cm2 |
(c) |
144 cm2 |
(d) |
216 cm2 |
1 Answer
127 votes
Answer Key / Explanation : (a) -
Let the height of the triangle be 
cm.
Radius = 120% of 
cm.
cm.
Radius = 
cm.
Area = 
127 votes
Answer Link
127