Answer:
I think it's 150
Step-by-step explanation:
(8+7) × 10 = 150
Answer:
x = 53
Step-by-step explanation:
Remember that the sum of all 3 interior angles in a triangle is 180∘ so
74 + x + x = 180
74 + 2x = 180
2x = 180 - 74
2x = 106
x = 106/2
x = 53
Using the equation P=a+b+c , you just need to plug in.
4a-2b + 7a-3 + 9a - 4
Combine like terms.
20a-2b-7
39 degrees is the measure of the 3rd. Hope I helped. :) Please click thanks. :)