Answer:
75 degrees
Step-by-step explanation:
those two angles = 180
180-105 =75
Answer:
A , D
Step-by-step explanation: Yw ;D
Answer:
A complementary angle are angles that add up to 90 degrees. For example, a 30 degree angle and a 60 degree angle are complementary angles because 30+60=90
Step-by-step explanation:
Answer:

Step-by-step explanation:
we can see that
shaded region is right angled triangle
so, we can use area of triangle formula

where
b is the base of triangle
h is the height of triangle
we have


now, we can plug this in formula


<span>The simplified form of the following expression: (8r to the power of -5) minus 3, is (8r^-5) - 3.
Your final answer is (8r^-5) - 3.</span>