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circles, the area and circumference of the circle are given by: A = kr2 and C = 2kr.

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Problem: 5. Determine the area of the circle with diameter 1.6 cm. Use π 22/7. .

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Question from Mable, a student: A circle that going 70mi across using 22/7 I need

Area of the circle = π × area of the shaded square . base has the length of the

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Calculate the area, circumference and radius of circles. Given any 1 known

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know how to use basic formulas for area and circumference of a circle. The area

r: radius d: diameter. A: Area The area of a circle is given by: A = Π ∙ r2 or A = Π ∙ (

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Question 549713: if ABCD is a square of area of 4 sq cm, find the radius of the

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_?_ d. _?_. 8. Critical Thinking How is finding the diameter of a circle when given

Chords of Circles [02/28/2001]: Given a circle with radius 10 and chord XY 8cm

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Doubling the diameter of a circle increases the area 4 times. Squares A side

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(This problem was called "squaring the circle": i.e. trying to find the square that

4 days ago . A circle has the maximum possible area for a given perimeter, and the minimum

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As the size of the circle changes, the area is recalculated. 3.2. C. Area = π .

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The area of a circle. π IS THE RATIO of the circumference of a circle to the

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If the radius is given, the circumference can be found by doubling the radius and

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