Calculate the area of the equilateral triangle below. Give your answer in cm2 to 2 d.p.

Question

asked Jul 4, 2024 121k views

1 Answer

Steve Boyd · Answer 1 · 2024-07-08T10:26:02+0000

Answer: 31.28

Explanation:

The height of the triangle can be worked out using pythagoras

h =
$\sqrt[2]{8.6^(2)-4.3^(2) } = √(55.47)$

The area is height x base / 2

8.4 x
√(55.47) / 2 = 31.28 to 2 d.p.