Mensurationmedium · Past Paper
What is the area of an equilateral triangle with side length 4 cm?
A4*sqrt(3) sq. cm
B16*sqrt(3) sq. cm
C8 sq. cm
D16 sq. cm
✓ Correct Answer: A — 4*sqrt(3) sq. cm
Area = (sqrt(3)/4) * side^2: (sqrt(3)/4) * 16 = 4*sqrt(3) sq. cm.
Share this question
More from Mensuration
- Find the TSA of a right prism with height 10 cm and base a right triangle with legs 3 cm and 4 cm.
- Area of a rectangle is x^2 + 5x + 6. If length is x+3, breadth is:
- If the sides of a triangle are in the ratio 3:4:5 and its perimeter is 36 cm, find its area.
- Area of a square with side 0.5 cm is:
- The radii of two cylinders are in the ratio 2:3 and their heights are in the ratio 5:3. Find the ratio of their curved surface areas.