The formula, the area for the circles, the semicircles, the area for the quarter circles, and the total area
A for circles=1571
A for semicircles=1571
A for quarter circles=7854
A for all circles= 10995.98
Answer:
12
Step-by-step explanation:
It is worthwhile memorizing the ratios of legs in a 30°–60°–90° triangle. Shortest to longest, the ratios are ...
1 : √3 : 2
Then the sides marked will have the ratio ...
6 : x = 1 : 2 = 6 : 12
x = 12
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You can also get there using trigonometry.
cos(60°) = 6/x
x = 60/cos(60° = 60/0.5
x = 12
60 divided by 1/5 (.2) is 300
Answer:
Step-by-step explanation:
We know that 
Also , 
So ,
Answer:
C) 8 ft
Step-by-step explanation:
you use the pythagorean theorem to find the height.
a² + b² = c²
a = radius
b = height
c = slant height
15² + h² = 17²
h = 8
