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Roman55 [17]
3 years ago
7

Find the arc length of the partial circle. Fither enter an exact answer in tom

Mathematics
1 answer:
natima [27]3 years ago
3 0

Answer:

50.265(correct to 5 significant figure)/ 16π

Step-by-step explanation:

\pi({8}^{2} )( \frac{90degree}{360degree} )

= \pi(64)( \frac{1}{4}  )

=50.265(cor. to 5 sig.fig.)/ 16π

to find the arc length of a sector,we need to use πradius² times (sector's degree divided by 360degree).

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pickupchik [31]
The correct answer is a Leg (answer A).

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3 years ago
A rectangle has a perimeter of 80 cm and its length is 1 cm more than twice its width. Find the dimensions of a rectangle given
zimovet [89]

Answer: (a) P = 6W + 2

(b) L = 2W + 1

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Step-by-step explanation:

The formula for perimeter of a rectangle is 2(length + width). Since the length is 1 cm more than twice its width, then the length will be:

L = (2 × W) + 1

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Since perimeter is given as 80cm. Therefore,

P = 6W + 2

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6W = 78

W = 78/6

W = 13

Width is 13cm

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Length = 2(13) + 1

Length = 27cm

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3 years ago
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3 years ago
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4 years ago
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