Answer: Option A.
Step-by-step explanation:
The angle ∠QST and the angle ∠QSR are supplementary.
If two angles are supplementary, means that the sum of both angles is 180 degrees.
Thenrefore
Solve for the angle ∠QSR and substitute the value of the angle ∠QST to find the value of the angle ∠QSR. Then, solving the equation, you get:
Then 
is:
This matches with the option A.
Hmm idk if this is what you need, but here we go: Amy is 5 years older than her brother, John. Her age is 19. How old is John?
x-John
x+5=19
x=19-5=14
John is 14.
Answer:
-2/6
Step-by-step explanation:
16/40 , 12/30, 8/20 are all equivalent fractions and there are much, much more.
Answer:
<u>CBD = 20</u>
<u>FBE = 70</u>
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Step-by-step explanation:
They are complementary and 70 + 20 = 90 degrees
