Answer:
81?
Step-by-step explanation
i might be wrong, if am delete this haha
Sorry i wish i knew the answer i’m actually learning that in class but i don’t quite understand it
Answer:
84 cm^2
Step-by-step explanation:
The area of a triangle is
A = 1/2 bh where b is the length of the base and h is the height
A = 1/2 ( 5+9) * 12
A = 1/2 (14) * 12
A =84