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1 answer:
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The formula of the volume of a cylinder:
We have:
and
substitute:
Answer: The area of a base of the cylinder is equal 45 dm².
We have:
and
substitute:
Answer: The area of a base of the cylinder is equal 45 dm².
Answer:
m∠JLN = 42°
m∠MLK = 90°
m∠KLO = 42°
m∠JLO = 138°
m∠AGE = 160°
Step-by-step explanation:
m∠JLN = °
m∠MLK = 90°
m∠KLO = 42° (∠KLO opposite of ∠JLN, Opposite angles are congruent)
m∠JLO = °
For the second question, things become somewhat more complex.
We know that ∠GHD = ° and ∠AGH
°.
You correctly calculated that °.
∠AGE is equal to both ° and
°. Either equation will work just fine.
∠AGE = °
So m∠AGE = 160°