3 years ago

Work out the area of this semi circle Take pi to be 3.142 and write down all the digits given by your calculator

Mathematics

1 answer:

Liula [17]3 years ago

5 0

Answer:

628.4cm²

Step-by-step explanation:

Find the diagram attached

Area of the semi circle = πr²/2

r is the radius = 10cm

Area of the semi circle = π(10)²/2

Area of the semi circle = 3.142(100)/2

Area of the semi circle = 314.2×2cm²

Area of the semi circle =628.4cm²

Hence the area of the semicircle is 628.4cm²

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