Step-by-step explanation:
12. BAE+DAE=90 (angle in a right angle) BAE=48
90=48+DAE
DAE=90-48=42
14. CE=5X+8 BD=13-2
AC=2*CE
=2*(5X+8)
=10X+16
13. BE=22
AE=22(ISSOCELES TRIANGLE)
Answer:
yea
B. -4x+5y=40
y * 5= (4/5 x + 8) * 5
5y = 4x + 40
-4x + 5y =40
Surface area = = x 3.14 x 3 x 3 x 3 = 3.14 x 4 x 3 x 3 = 113.04 yd^2 = approx. 113.1 yd^2
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