2 years ago

Need help with this problem

Mathematics

2 answers:

netineya [11]2 years ago

8 0

Answer:

Step-by-step explanation:

alexandr1967 [171]2 years ago

4 0

Answer:

x = 10

Step-by-step explanation:

Since the triangles are similar the ratios of corresponding sides are equal

$\frac{20}{20+8}$ = $\frac{3x}{4x+2}$ , that is

$\frac{20}{28}$ = $\frac{3x}{4x+2}$ ( cross- multiply )

20(4x + 2) = 84x

80x + 40 = 84x ( subtract 80x from both sides )

40 = 4x ( divide both sides by 4 )

x = 10

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