Answer:
I love algebra anyways
The ans is in the picture with the steps how i got it
(hope this helps can i plz have brainlist :D hehe)
Step-by-step explanation:
Answer:
divide it using a calculator
-10 + a = 6a - 7a
Rearrange the left hand side
a - 10 = 6a - 7a
Simplify 6a - 7a
a - 10 = -a
Add a on both sides
2a - 10 = 0
Add 10 on both sides
2a = 10
Divide by 2 on both sides
a = 5
I believe that triangle B and E are right triangles.
Answer:
Step-by-step explanation:
A) neither since the angles add to 179 deg.
B) neither since 63 + 47 = 110.
C) complementary since 61 + 29 = 90
