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Triss [41]
3 years ago
10

The shortest side of an idosceles triangle is 2x+5 inches. The 2 longest sixes are 3 inches longer. The perimeter of the triangl

e is 21 inches. Which equation could be best used to find the length of each side of the triangle?
Mathematics
1 answer:
Rzqust [24]3 years ago
4 0

Answer:

Step-by-step explanation:

In an isosceles triangle, two sides and two angles are equal.

The shortest side of an isosceles triangle is 2x+5 inches. The 2 longest sides are 3 inches longer. This means that the length of each of the longer sides is

2x + 5 + 3 = 2x + 8 inches

The formula for determining the perimeter of a triangle is expressed as

Perimeter = a + b + c

Where a, b and c are the sides of the triangle.

The perimeter of the triangle is 21 inches. Therefore, the equation that can be used to find the length of each side of the triangle is

2x + 5 + 2x + 8 + 2x + 8 = 21

6x + 21 = 21

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x=quantity of days

 

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We can cancel all $...

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It is just as important to cancel symbols as numbers.

Next, we isolate x.

We will begin by subtracting 31.75 from both sides...

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