2880 ...................................
<em>A = 80°</em>
<em>B = 10°</em>
- Step-by-step explanation:
<em>complementary angle => </em>
<em>=> A + B = 90°</em>
<em>A = 8B</em>
<em />
<em>8B + B = 90°</em>
<em>9B = 90°</em>
<em>B = 90° : 9</em>
<em>B = 10°</em>
<em>A = 8B</em>
<em>A = 8×10°</em>
<em>A = 80°</em>
Answer:
m + n = 140°
Step-by-step explanation:
∵ The measure of the angle next to n = 40° ⇒ vertically opposite angle with the angle 40°
From parallel lines m , n and angle 40° next to n are interior supplementary means their sum is 180°
∴ m + n + 40° = 180°
∴ m + n = 180 - 40 = 140°
Answer:
B
Step-by-step explanation:
A) supplementary angle
C) i dont really know how to explain this im sorry
D) same as above
Answer:
Sorry bro, Even I need to know this anwer
Step-by-step explanation: