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

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.
Find the area of an equilateral triangle whose each side is 16 cm. (Take `sqrt3`= 1.73)
The sides of a triangle are in the ratio 15 : 13 : 14 and its perimeter is 168 cm. Find the area of the triangle.
The ratio between the areas of two circles is 16 : 9. Find the ratio between their :
(i) radius
(ii) diameters
(iii) circumference
The diameter of the wheel of a car is 70 cm. How many revolutions will it make to travel one kilometer?
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.
From each corner of a rectangular paper (30 cm x 20 cm) a quadrant of a circle of radius 7 cm is cut. Find the area of the remaining paper i.e., shaded portion.

