Question

The angle of a right triangle is 30° and its hypotenuse is 4 cm. What is its area?

Answer 1

Triangle side ratio is 1 : : 2

Altitude = hypotenuse \(\times\frac{\sqrt{3}}{2}=4\times\frac{\sqrt{3}}{2}\)

Area = \(\frac{1}{2}\times23.46=3.46\) cm²