Answer:
21
Step-by-step explanation:
It is a Trapezium so the formula will be 1/2 * (base 1 + base 2) * height
so 1/2 * ( 9+5) * 3
= 1/2 * 14 * 3
= 1/2 * 42
= 21
This is my first time answering someones' question as I am new to Blainly...So please mark me Brainlist.
Thank You!
:)
