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
c
Because, all of them are wrong.
Answer: 132
Answer: The answer is 2 x ( x + 5 ) ( x − 2 y )