Question

Find the length of AB. A 0140 AB = [?] 140° 8 m B Round your answer to the nearest hundredth.​

Answer 1

$\huge{ \mathfrak{ \underline{ Answer} \: \: ✓ }}$

• Radius (r) = 8m

• Angle made at centre $(\theta)$ = 140°

$\boxed{ \mathrm{length \: \: of \: \: arc = \dfrac{ \theta}{360 \degree} \times 2\pi r}}$

• $\dfrac{140}{360} \times 2 \times 3.14 \times 8$

• $\dfrac{7}{18} \times 50.24$

• $\dfrac{351.64}{18}$

• $19.54 \:m$

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