If the measure of DEF is 76, what is the measure of DE? 20pts
2 answers:
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Answer:
A= 254.34 m²
Step-by-step explanation:
to find area of a circle use this formula, A=r²
now just plug it in
A= 9²
A=81
A= 254.34 m²
Answer:
22.5 degrees
Step-by-step explanation:
Complementary angles add up to be 90 degrees. You can model the simple equation where is x is the small angle and 3x is the large angle.
the smaller angle is 22.5 degrees