Question

If arcs of same length in two circles subtend angles of 60° and 75° at their centers, find the ratios of their radii .

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Answer 1

Answer:

Ratios of their radii = 5:4.

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Answer 2

Answer:

5:4

Explanation:

$\frac{r}{R}$

1. r/R

75/60×180

20/12

5/4

5:4