I’m not sure, you should install photomath tho it should say
Answer:
The answer is 
Step-by-step explanation:
The triangle isosceles has two equal angles and two equal sides
The triangle ABC is an isosceles triangle -----> see the attached figure
-----> radius of the circle
------> angles of the base of the isosceles triangle ABC
------> by central angle ( vertex angle of the isosceles triangle ABC)
Remember that
the sum of the internal angles of a triangle is equal to 
so



Set up a proportion.
(8.75/5)=(x/2)
5x=2*8.75
5x = 17.5
x= 3.5
Answer: -7
Step-by-step explanation:

Answer:
<u><em>x=11</em></u>
Step-by-step explanation:
-31+4x=-2x+35
+31
4x=-2x+66
+2x
6x=66
66/6