VantabIack VantabIack

03-10-2020
Mathematics

contestada

The following triangle is isosceles. Write an equation and use it to solve for x.

Options:

x = 3
x = 2
x = 6
x = 4

The following triangle is isosceles Write an equation and use it to solve for x Options x 3 x 2 x 6 x 4 class=

Respuesta :

03-10-2020

The answer to the question is x=6

Answer Link

03-10-2020

Answer:

x = 6

Step-by-step explanation:

Since the sides are congruent (definition of isosceles triangle), the angles must also be congruent.

Step 1: Set up equation

4x + 20 = 8x - 4

Step 2: Solve for x

Subtract 4x on both sides: 20 = 4x - 4
Add 4 to both sides: 24 = 4x
Divide both sides by 4: 6 = x
Rewrite: x = 6

Answer Link

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