Area of Equilateral Triangle
Area of Equilateral Triangle
Area of an equilateral triangle :
An equilateral triangle is a triangle in which all the sides are equal.Area of equilateral triangle of side 'a'
Illustration: Find the area of an equilateral triangle, of each side 4 units.
Solution : Given side is '4'.
Area of equilateral triangle with side 'a' sq. units
Area with side =
sq. units
=
= sq. units
Illustration : Find the area of an equilateral triangle, of each side 2a units.
Solution : Given side is '2a'.
Area of equilateral triangle with side 'a' sq. units
Area with side 2a
sq. units =
sq. units
A piece of wire 132 dm long is bent successively in the shape of an equilateral triangle, a square and a circle, the area included is largest when the shape is _____________________. | |||
| Right Option : D | |||
| View Explanation | |||
One side of an equilateral triangle is 30 cm. Its area is ______________. | |||
| Right Option : B | |||
| View Explanation | |||
If the altitude of an equilateral triangle is | |||
| Right Option : A | |||
| View Explanation | |||
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