Question

The area of a triangle with height 20cm and base 42cm is __________ sqcm. * 420 840 210​

Answer 1

Answer:

420cm²

Step-by-step explanation:

Area of triangle= 1/2×b×h

Base= 42cm

Height= 20cm

Area= 1/2×42cm×20cm

= 1/2×840cm²

=420cm²