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otez555 [7]
3 years ago
5

PLEASE PLEASE HELP <3

Mathematics
1 answer:
anzhelika [568]3 years ago
3 0

Answer:

C

Step-by-step explanation:

∠ AFD = ∠ AFB + ∠ BFC + ∠ CFD

The 3 angles form a straight angle and sum to 180°, that is

4x + 5 + 6x + 3 + 5x + 7 = 180, that is

15x + 15 = 180 ( subtract 15 from both sides )

15x = 165 ( divide both sides by 15 )

x = 11

∠ CFD = 5x + 7 = 5(11) + 7 = 55 + 7 = 62°, thus

∠ AFE = ∠ CFD = 62° ( vertical angles are congruent )

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Kinda need help fast.
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Answer:

the amswer is c

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nydimaria [60]
1. statement: angles 1 and 2 are supplementary, reason: adjacent angles on a straight line are supplementary
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3 years ago
17. The radius of a circular path is 7m. Find the cost of fencing the path if the cost per meter is Rs.35​
Elis [28]

The cost of fencing the path is Rs 1539.38.

It is required to find the cost of  fencing the path.

<h3>What is circle?</h3>

A circle is a closed two-dimensional figure in which the set of all the points in the plane is equidistant from a given point called “centre”. The perimeter around the circle is known as the circumference.

Given that:

radius of a circular path is 7m.

Rate = Rs .35​ per meter

We know that

Circumference of circle =2\pi r

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Circumference of circle=43.98 m

Now,

Cost = Circumference × Rate

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Cost =  Rs 1539.38

Therefore, the cost of fencing the path is Rs 1539.38.

Learn more about circle here:

brainly.com/question/11833983

#SPJ1

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