Acute angles

Sizes of acute angles in the right-angled triangle are in the ratio 1:8. What is the size of the larger of them?

Final Answer:

β =  80 °

Step-by-step explanation:

γ=90  α+β+γ=180   α+β=90    α:β=1:8 β=8 α  β > α  α+β=90  α+8 α=90  9α=90  α=990=10  α=10  β=8 α=8 10=80



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algebraplanimetrybasic operations and conceptsUnits of physical quantitiesGrade of the word problem

 
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