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In circle "R" below, determine the length of arc AB if BR = 5 units.

A31.4 units
B15.7 units
C11.775 units
D3.925 units

In circle R below, determine the length of arc AB if BR = 5 units. A. 31.4 units B. 15.7 units C. 11.775 units D. 3.925 units class=

Verified Answer :

slevo

\(l=2 \pi r( \frac{degrees}{360} )\)

\(l=2 \pi\) × 5 × \(\frac{135}{360}\) = 11.78

See the pic, I'd solved in it.

View image Anonymous

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