So begin by doing 360-284=76
90+76=166
180-166=14
X=14
The answer is 81 the right Column is multiplying by 3
120 IS THE CORRECT ANSWER. BUT THIS IS NOT FOR SURE!
Answer:
4800cm²
Step-by-step explanation:
20x30x8=4800
9. 1/2 x 8 x 10 = 40 in²
10. 1/2 x 7 x 9 = 31.5 yd²
11. 1/2 x 12 x 8 = 48 cm²
12. 1/2 x 3 x 16 = 24 ft²
