Answer:
31.4 meters
Step-by-step explanation: use the formula 2 times pi times 5 then you just plug in 5 into the radius
Answer: -1/2
Step-by-step explanation:
y/-7=1/14 (cross multiply)
14y=7 (divide both sides)
y=-1/2
Answer:
45*pi
Step-by-step explanation:
Perimeter (circumference) =2*pi*R
For sine circle = 1/2*2*pi*R=pi*R=45*pi
Step-by-step explanation:
parallelogram area is:h×base
10×14=140
we have two so
140×2=280
traingle is:h×base/2
18-10=8=h
8×14/2=56
56×3=168
168+280=448
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