Answer:
Your answer is
Congruent means similar.
Other angle is 69°
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The correct answers are A C and B
Answer:

Step-by-step explanation:
step 1
Find the radius of the circle
we know that
The circumference of a circle is equal to

we have


substitute the values



step 2
Find the area of the circle
The area of the circle is equal to

substitute the values


If you divide 21/49 by 7 you get 3/7