Advertisements
Advertisements
Question
Find the area of a triangle whose base is 30 cm and the height is 18 cm.
Advertisements
Solution
Base of triangle = 30 cm
Height of triangle = 18 cm
∴ Area =`1/2"base"xx"height"`
= `1/2xx30xx18` = 270 cm2
APPEARS IN
RELATED QUESTIONS
In the figure given below, find the area of shaded region: (All measurements are in cm)
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.
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 a right-angled triangle whose hypotenuse is 13 cm long and one of its legs is 12 cm long.
Find the area of an equilateral triangle whose each side is 16 cm. (Take `sqrt3`= 1.73)
The legs of a right-angled triangle are in the ratio 4 : 3 and its area is 4056 cm2. Find the length of its legs.
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 diameter of a circle is 20 cm. Taking π = 3.14, find the circumference and its area.
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.
