Question

find the area of sector whose radius is 7 cm and angle 60 degrees

Answer 1

$60 \div 360 \times\pi \times r {}^{2}$
$1 \div 6 \times 22 \div 7 \times 7 {}^{2}$
$1 \div 6 \times 154$
$77 \div 3$
$25.6 \: \: cm {}^{2}$

Answer 2

Answer:

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