Advertisements
Advertisements
प्रश्न
Find the area of an equilateral triangle having each side 4 cm.
Advertisements
उत्तर
Area of an equilateral triangle having each side a cm is given by
`A=sqrt(3)/4a^2`
Area of the given equilateral triangle having each equal side equal to 4 cm is given by
a = 4 cm
`A= sqrt(3)/4 (4)^2`
`A=sqrt(3)/4 xx 16`
`A = 4 sqrt(3) cm^2`
APPEARS IN
संबंधित प्रश्न
Radha made a picture of an aeroplane with coloured papers as shown in the given figure. Find the total area of the paper used.
A triangle and a parallelogram have the same base and the same area. If the sides of triangle are 26 cm, 28 cm and 30 cm, and the parallelogram stands on the base 28 cm, find the height of the parallelogram.
Find the perimeter and area of the quadrilateral ABCD in which AB = 17 cm, AD =9 cm, CD = l2cm, ∠ACB = 90° and AC=l5cm.
The base of an isosceles right triangle is 30 cm. Its area is
The base and hypotenuse of a right triangle are respectively 5 cm and 13 cm long. Its area is ______.
The lengths of the sides of Δ ABC are consecutive integers. It Δ ABC has the same perimeter as an equilateral triangle with a side of length 9 cm, what is the length of the shortest side of ΔABC?
The adjacent sides of a parallelogram measures 34 m, 20 m and the measure of the diagonal is 42 m. Find the area of parallelogram
The perimeter of an equilateral triangle is 60 m. The area is ______.
If the area of an equilateral triangle is `16sqrt(3)` cm2, then the perimeter of the triangle is ______.
The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm, is ______.
