Answer
1. Formula: A = 1/2bh
Solution:
A = 1/2 ( 5cm x 2cm)
A = 1/2 (10sq.cm)
A = 10 sq.cm / 2
A = 5 sq.cm
2. Fomula: A = 1/2 (b1 + b2) h
Used this formula from your no.2 solution coz the lower part of the figure which is the base 2 can’t see...
Hope it helps...
