Question

FAN AND MEDAL CHECK MY ANSWERS:
find angle c
A.70° B.75° C.80° D.85°

90-40=50
sooooo.. im lost

Answer 1

Picture?

Answer 2

The two angles at the bottom are the same, since this is an isosceles triangle.

40 + x + x = 180

40 + 2x = 180

Solve for 'x'

Answer 3

subtract 2 from each side?

Answer 4

No, subtract 40

Answer 5

to get rid of the x

Answer 6

oops okay so 2x=140

Answer 7

The answer is 60 but its not in ur answer choice....

Answer 8

2 is with 'x'..we don't want to do that..

Answer 9

Yep, you got it, now divide 2 to both sides.

Answer 10

NEVERMIND BAD MATH

Answer 11

2 would cancel and 140/2= 70

Answer 12

so A

Answer 13

Yes

Answer 14

thank you!!

Answer 15

Yep, you got it.