I NEED HELP ASAP!!!
Find the measure of angle A using the image below:
1 answer:
Answer:
A = 125º
Step-by-step explanation:
Missing angle is the supplement of 157.5
180 - 157.5 = 22.5
----------------------------
Sum of angles in triangle is 180
22.5 + (-10x) + (-x + 20) = 180
Combine like terms
-11x + 42.5 = 180
Subtract 42.5 from both sides
-11x = 137.5
Divide both sides by -11
x = -12.5
---------------------------
A = -10(-12.5)
A = 125º
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Step-by-step explanation:
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Hope I helped -
Sleepy~
Answer:
p = 15
Hope this helps
Step-by-step explanation:
I personally don’t know the answer so i can’t help
Answer:
The actual answer is 10.5+7.25π units²
I just took the test
