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3 years ago

11

James is putting a brick border around his circlar Pool. The bricks are 1 foot in length. How many brick does need to buy to bui

ld the border. Use 3.14 for π

1 answer:

schepotkina [342]3 years ago

5 0

Answer:

Step-by-step explanation:

Using the formuka for calculating equation of a circumference

C = 2πr

r is the radius

Given

r = 1foot

C = 2π{1)

C = 2(3.14)

C = 6.28foot

Hence he needs about 6 bricks to build the border

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In trapezoid ABCD with bases AB and DC , diagonals intersect at point O. Find the length of diagonal BD , if BO=6 cm and: AO/OC

aalyn [17]

Answer:

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Step-by-step explanation:

... BO/OD = AO/OC = 3/1

Written another way, this is ...

... OD : BO = 1 : 3

Now, BD = OD + BO, so we have

... BD : BO = (OD +BO) : BO = (1 +3) : 3 = 4 : 3

That is, BD = 4/3 × BO

... BD = 4/3 × 6 cm = 8 cm

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Answer:

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Read 2 more answers

Which is the length of the hypotenuse of the triangle?

Arturiano [62]

12^2 + 35^2
= 144 + 1225
= 1369

hypo AB = √1369 = 37

answer
AB = 37 ft

Hope it helps

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