Answer:
X = -7
Step-by-step explanation:
C. 155.5 cm2
area = 5*15 + (15+8)*7/2 = 75 + 80.5 = 155.5 cm2
1/10 or 10%
1/4 x 2/5 = 1/10 (10%)
r=16c
Step-by-step explanation
20-4=r
16=r
