Answer:
648 sq units
Step-by-step explanation:
Area of the base= 12×12= 144 sq. units
Perimeter of the base=4×12= 48
Total surface area= 1/2×48×21 + 144
=648 sq units
Y= 1/2x +4
hopes this helps!
Agreed, I had to take a test on it and y did equal 70
Answer:
B
Step-by-step explanation:
U say the answer is D 7$......