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netineya [11]
2 years ago
12

Help on this please.

Mathematics
1 answer:
mote1985 [20]2 years ago
4 0

Answer:

x = 11

Step-by-step explanation:

A triangle has three sides, which are its edges. Also, it has three vertices that are the corners of a triangle and where two edges meet.

The circumference is equidistant from the vertices of the triangle:

Equidistant = At equal distances.

The vertices in the picture are: A, B, C

The circumcenter is: P

So, we can apply the rule: PA = PB = PC

PA = 38

PB = 6x - 28

PC = ?

And since the picture labels PA and PB, we set up the equation:

PA = PB = PC

38 = 6x - 28

Add 28 to both sides

38 + 28 = 6x - 28 + 28

66 = 6x

Divide 6 on both sides

66/6 = 6x/6

Simplify

11 = x

Flip the equation

x = 11

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The perimeter of a rectangular pool is 414 meters. The length is 7 meters more than 4 times the width find the length and width
Marina86 [1]

Answer:

The length of rectangular pool is 167 meters and the width is 40 meters

Step-by-step explanation:

Let

x ----> the length of rectangular pool

y ----> the width of rectangular pool

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P=2(x+y)

we have

P=414\ m

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414=2(x+y)

simplify

207=x+y ----> equation A

x=4y+7 ----> equation B

solve the system by substitution

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