The curved part of this figure is a semicircle. What is the best approximation for the area of this figure? 18+12.125π units² 36
+24.25π units² 36+12.125π units² 18+24.25π units²
1 answer:
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see the attached figure to better understand the problem
we know that
1) If angle 1 and angle 2 are complementary angles
then
m∠1+m∠2= ------> equation A
2) If angle 1 and angle 2 are congruent angles
then
m∠1=m∠2 ------> equation B
Substitute equation B in equation A
m∠1+(m∠1)=
2m∠1=
m∠1=
therefore
<u>the answer is</u>
