Answer:
272 yd²
Step-by-step explanation:
Surface area = base area + lateral area
= (10×10)+(8.6×10×2)
= 100+172
= 272 yd²
1,2
1/2y+3/2
2y+-1/2
-3/2b-2x+5
20-16
=4
4/16*100
=25%
