Answer:
- a
- d
- a
- c
- a
- b
- a
- b
- c
- a
Step-by-step explanation:
Look at the picture.
Use the Pythagorean theorem.
The diameter d = 2r.
Therefore
Answer: 45.5
Answer:
6.1° and 83.9°
Step-by-step explanation:
Complementary angles sum 90°
a+b = 90°
a = b - 77.8
then:
(b - 77.8) + b = 90
2b - 77.8 = 90
2b = 90 + 77.8
2b = 167.8
b = 167.8/2
b = 83.9°
a = b - 77.8
a = 83.9 - 77.8
a = 6.1°
This is true because it is an unknown number so it is replaced by a variable.
Answer: d<−3
Step-by-step explanation:
Step 1: Subtract 8 from both sides.
−7d+8−8>29−8
−7d>21
Step 2: Divide both sides by -7.
−7d/7>21/-7
<h3>brainliest would be appreciated </h3>