Question

3.
Find the area of a right-angled triangle whose base is 15 cm and altitude is 8 cm.
​

Answer 1

Step-by-step explanation:

Area of triangle =

$\frac{1}{2} \times base \times altitude = \frac{1}{2} \times 15 \times 8 = 60$

square cms

Answer 2

Step-by-step explanation:

altitude=2×area/base

area=altitude×base/2

=8×15/2=60