Answer:
b. complementary
Step-by-step explanation:
-Complementary angles are angles that add up to 90°.
-These are usually the two acute angles in the right triangle.
#To verify, lets take the two angles 30° and 60°:

#We can reverse as:

Hence, two angles are said to be complimentary if they sum up to 90°.
Answer:
41
Step-by-step explanation:
101+38=139
180-139 = 41
Answer:
Theo worked on it for 12 hours. Kade worked on it for 15 hours.
Step-by-step explanation: 12 plus 15 equals 27.
Answer:
28
Step-by-step explanation:
Step 1:
1/4x - 5 = 2 Equation
Step 2:
1/4x = 7 Add 7 on both sides
Step 3:
x = 7 ÷ 1/4 Divide
Answer:
x = 28
Hope This Helps :)