Express all the trigonometric ratios in terms of cot A.
1 answer:
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Answer:
<h2>C = 70π cm</h2><h2>A = 2,450 cm²</h2>Step-by-step explanation:
The perimeter of the given figure is equal to the circumference of whole circle.
The formula of a circumference of a circle:
d - diameter
We have d = 70 cm. Substitute:
The area of given figure is equal to the area of rectangle 70cm × 35cm.
(look at the picture).
The area of a rectangle:
Answer:
0.0625
Step-by-step explanation:
Using the rule of exponents
=
, then
=
= ( divide 1 by 16 )
= 0.0625