Advertisements
Advertisements
Question
In the figure given below, find the area of shaded region: (All measurements are in cm)

Advertisements
Solution
Area of shaded portion = Area of outer region − Area of unshaded region
= 40 × 40 − 32 × 15
= 1600 − 480 cm2
= 1120 cm2
APPEARS IN
RELATED QUESTIONS
One side of a parallelogram is 20 cm and its distance from the opposite side is 16 cm. Find the area of the parallelogram.
The base of a parallelogram is thrice it height. If its area is 768 cm2, find the base and the height of the parallelogram.
Find the area of the rhombus, if its diagonals are 30 cm and 24 cm.
If the area of a rhombus is 112 cm2 and one of its diagonals is 14 cm, find its other diagonal.
The area of a right-angled triangle is 160 cm2. If its one leg is 16 cm long, find the length of the other leg.
Find the base of a triangle whose area is 360 cm2 and height is 24 cm.
The sides of a triangle are in the ratio 15 : 13 : 14 and its perimeter is 168 cm. Find the area of the triangle.
A metal wire, when bent in the form of a square of largest area, encloses an area of 484 cm2. Find the length of the wire. If the same wire is bent to the largest circle, find:
(i) radius of the circle formed.
(ii) area of the circle.
A wire is along the boundary of a circle with a radius of 28 cm. If the same wire is bent in the form of a square, find the area of the square formed.
The length and breadth of a rectangular paper are 35 cm and 22 cm. Find the area of the largest circle which can be cut out of this paper.
