Answer:
B
Step-by-step explanation:
Drop an altitude. Either of the two resulting right triangles with legs of length 5 and x and a hypotenuse of 10.
By the Pythagorean theorem, it follows that the answer is B.
Answer:
C and E
Step-by-step explanation:
Answer:
60
Step-by-step explanation:
60* of the circumference would be 60-the total circumference.