Kyra is finding the area of the circle. She cuts the circle into equal sectors and arranges them into the shape of a parallelogr
am.
Which expression represents the approximate area of the circle?
(SOLVED)
2 answers:
Answer:
Option 1. 9.42×3 in² is the correct option.
Step-by-step explanation:
As it has been given in the question that Kyra has arranged the circle sectors in the shape of a parallelogram.
Side of a parallelogram = 9.42 in. and height of this parallelogram is 3 in.
Now we know the formula of the area of a parallelogram = length × height
Area = 9.42 × 3 in².
So the area of this arrangement of the sectors = 9.42×3 in².
2 r π / 2 = 9.42 in
r π = 9.42 in
r = 9.42 : 3.14 = 3 in
Area of the circle:
A = r² π = 3² π = 9 π in² = 28.26 in²
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