Answer: 18+54
Step-by-step explanation:
6*3=18 and 6*9=54
Answer:
Here, length is 8 in. Width is 4in. and height is (3+3+3)=9 in. Then use the formula.
A= 2wl+2hl+2hw
= 2×4×8 + 2×9×8+2×9×4
=280 inch²
The answer is both triangles A and D
Hope this helps :)
The answer is -6.833333333
