Advertisements
Advertisements
Question
Find the area of an equilateral triangle whose each side is 16 cm. (Take `sqrt3`= 1.73)
Advertisements
Solution
Side of the equilateral triangle = 16 cm
∴ Area = `sqrt3/4("a")^2`
= `sqrt3/4xx16xx16`
= 1.73 × 4 × 16 = 110.72 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.
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 rhombus is 84 cm2 and its perimeter is 56 cm. Find its height.
The sides of a triangle are 21 cm, 17 cm, and 10 cm. Find its area.
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 diameter of the wheel of a car is 70 cm. How many revolutions will it make to travel one kilometer?
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.
