1. C
2. A
3. B
3. D
Hope this helps
The answer would be -72 cuz -308 + -72 is -360 which is a whole circle
warningggg: if this is a home quiz your taking , don't put my answer down cuz there is a 30% chance my answer is wrongdoing
Congruent since all angles are equivalent to each other.
I got the answer by adding the triangles
Answer:
Step-by-step explanation:
(a+b)^2=a^(2)+2ab+b^(2)
(a-b)^2=a^(2)-2ab+b^(2)
13)
(x+2)^(2)-(x-1)^2
x^(2)+4x+4-(x^(2)-2x+1)
x^(2)+4x+4-x^(2)+2x-1
6x+3
15)
(x+5)^(2)-(x+1)^2
x^(2)+10x+25-(x^(2)+2x+1)
x^(2)+10x+25-x^(2)-2x-1
8x+24
