okay so
117° + angle a = 180° (supplementary angle)
angle a = 180 - 117
= 63°
then angle a + angle b + 81° = 180° ( angle sum property)
so... 63° + angle b + 81° = 180
144 + angle b = 180°
angle b = 180 - 144
= 36°
hope this helps.
The 5.9+58.9= finding a calculator
17) 25 questions on the test
Answer:
x = 0
Step-by-step explanation:
9x - 7 = - 7
9x = - 7 + 7
9x = 0
x = 0/9
x = 0
Answer:
12.22
Step-by-step explanation: