Advertisements
Advertisements
प्रश्न
The area of an equilateral triangle with side `2sqrt(3)` cm is ______.
पर्याय
5.196 cm2
0.866 cm2
3.496 cm2
1.732 cm2
Advertisements
उत्तर
The area of an equilateral triangle with side `2sqrt(3)` cm is 5.196 cm2.
Explanation:
Area of an equilateral triangle of side a is given by `sqrt(3)/4 a^2`
Given that `a = 2sqrt(3)`
Area (Δ) = `sqrt(3)/4 a^2`
= `sqrt(3)/4 (2sqrt(3))^2`
= `sqrt(3)/4 xx 12`
= `3sqrt(3)`
= 5.196 cm2
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 field is in the shape of a trapezium whose parallel sides are 25 m and 10 m. The non-parallel sides are 14 m and 13 m. Find the area of the field.
Find the area of a quadrilateral ABCD is which AB = 3 cm, BC = 4 cm, CD = 4 cm, DA = 5 cm and AC = 5 cm.
Two parallel side of a trapezium are 60 cm and 77 cm and other sides are 25 cm and 26 cm. Find the area of the trapezium.
Let Δ be the area of a triangle. Find the area of a triangle whose each side is twice the side of the given triangle.
If each side of a equilateral triangle is tripled then what is the percentage increase in the area of the triangle?
The base of an isosceles right triangle is 30 cm. Its area is
If the area of an isosceles right triangle is 8 cm2, what is the perimeter of the triangle?
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 area of the equilateral triangle is `20sqrt(3)` cm2 whose each side is 8 cm.
