Answer:

Step-by-step explanation:
Answer:
the value of x=
2×-12= -24
the value of y is 3y plus 20 which equals to 23
Answer:
2) Right angles always equal 90°
3) m∠F = 90° and m∠G = 90° which means they have the same angle measure.
4) Removing the m and replacing with the congruent symbol.
I'm not too sure how this goes but it should be something like that.
Answer:
15.072
Step-by-step explanation:
Circumference = πD
= 4.8π
= 15.079644737231