Question

In a right-angled triangle, one acute angle is 3/7 of the other. Find the smaller angle.​

Answer 1

Answer:

27°

Step-by-step explanation:

90°+3/7+7/7=180°

180°-90°=10/7

90°=10/7

=(90÷10)×7

=9×7

=63°

method 1

90°+63°+x=180°

Therefore,

180°-90°-63°=x

27°=x=smaller angle

method 2

If 9×7=63° then,

9×3=smaller angle

Therefore,

27°=smaller angle

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