3 years ago

2 4/5 ÷ 2 1/5 = (Please answer as a fraction)

Mathematics

1 answer:

svet-max [94.6K]3 years ago

8 0

Answer:

1 3/11

Step-by-step explanation:

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Answer:

226.084 sq.m.

Step-by-step explanation:

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Area of sector = $\frac{\theta}{360^{\circ} }\pi r^2$

Area of sector = $\frac{123}{360} \times 3.14 \times (18.6)^2$

Area of sector = $371.157 m^2$

Area of triangle = $\frac{1}{2} \times a \times b \times Sin x$

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b = OB = radius = 18.6 cm

x =123 °

Substitute the values in the formula

Area of triangle = $\frac{1}{2} \times 18.6 \times 18.6 \times Sin 123$

Area of triangle = $145.073 m^2$

So, Area of shaded region = Area of sector - Area of triangle

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= $226.084 m^2$

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