An isosceles triangle has base angles that each measure 69o. Which equation can be used to find x, the measure of the third angl

Question

3 years ago

8

e?
a
138 + x = 180
b
69 + x = 180
c
138 + 2x = 180
d
2x + 69 = 180

1 answer:

MArishka [77] · Answer 1 · 2022-06-23T17:32:55+03:00

7 0

Answer:

a. 138 + x = 180

Step-by-step explanation:

Because the angles given are 69+69

which equal 138

and x being the missing angle

finally the total of all angles in a triangle = 180