Question

A triangle has 20 centimetre attitude and 40cm base. find the area​

Answer 1

Answer:

the area of triangle 1/2 ×Base ×Altitude

then 1/2 ×40×20 = 400 cm^2 answer

Answer 2

Step-by-step explanation:

Area of triangle =

$\frac{1}{2} \times h \times b \\ \frac{1}{2} \times 20 \times 40 \\ = 10 \times 40 \\ = 400 {cm}^{2}$