Advertisements
Advertisements
प्रश्न
In the figure given below, find the area of shaded region: (All measurements are in cm)
Advertisements
उत्तर
Outer length = 30 cm
and Outer breadth = 20 cm
∴ Outer area = l × b
= 30 × 20 = 600 cm2
Inner length = 12 cm and inner breadth = 12 cm
Inner area = l × b = 12 × 12 = 144 cm2
Area of shaded portion = Area of outer figure − Area of inner figure
= 600 − 144 = 456 cm2
APPEARS IN
संबंधित प्रश्न
A square lawn is surrounded by a path 2.5 m wide. If the area of the path is 165 m2 find the area of the lawn.
In the figure given below, find the area of shaded region: (All measurements are in cm)
The base of a parallelogram is thrice it height. If its area is 768 cm2, find the base and the height of the parallelogram.
The adjacent sides of a parallelogram are 15 cm and 10 cm. If the distance between the longer sides is 6 cm, find the distance between the shorter sides.
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 area of an equilateral triangle whose each side is 16 cm. (Take `sqrt3`= 1.73)
Find the area of an isosceles triangle whose base is 16 cm and the length of each of the equal sides is 10 cm.
The area of an equilateral triangle is (`64xxsqrt3`) cm2. Find the length of each side of the triangle.
The ratio between the radius of two circles is 5 : 7. Find the ratio between their:
(i) circumference
(ii) areas
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.
