Answer:
CosB = 0.8
Step-by-step explanation:
We know
CosB = b/h
And given, b = 12 and h =15
C = pi x d
So the border is about 3.1 x 20 = 62 inches
Answer:
Step-by-step explanation:
2.9 * 3.14 = 9.11 circumference
660.52 Area
Answer:
35.4
Step-by-step explanation:
divide 72.8 by 6.5 to get the other two sides. Then you will have all four sides. From there you can add all four sides. 6.5 + 6.5 + 11.2 + 11.2 = 35.4. Hope that helps!