MATHEMATICS HIGH SCHOOL

Calculate the area of a circle with the radius of 2cm (1dp)

Answers

Answer 1
Answer:

area= pi x r^2

r^2= 2x2=4

area= pi x 4

area=12.5663706144

=12.6 (1 decimal place)
Answer 2
Answer: The are of a circle is π * r^2 = 4π ≈ 12.56 ;

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Calculate the product of 8/15, 6/5, and 1/3.

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To find this answer, multiply the numerators across: (8 x 6 x 1) = 48, and the denominators in the same fashion: (15 x 5 x 3) = 225. This gives a non-reduced fraction of 48/225, which, when reduced by 3s, gives a product of 16/75.

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What are the values of​ x, y, and​ z?

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