Answer pls?? 25 points

C= 13

5.5= 25

12.12= 144

25+144= 169

√169= 13

13

Step-by-step explanation:

I think it should be c =√12²+5² = √144+25= √169 = 13

But I'm not sure why 4 it's given, I don't think it's needed.

the correct answer is semicircle

step-by-step explanation:

the answer is semicircle because the shorter arc joining two points on the circumference of a circle is known as the minor arc, the larger arc is called the major arc, and a semicircle is a half circle, formed by cutting a whole circle along a diameter line.

hope i .

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.