3 years ago

Geometryfind value of x

Mathematics

1 answer:

Greeley [361]3 years ago

8 0

Answer/Step-by-step explanation:

a. Diagonals of a rectangle are equal to each other. Therefore:

9x + 20 = 10x + 8

Collect like terms

9x - 10x = -20 + 8

-x = -12

Divide both sides by -1

x = 12

b. One of the properties of a rhombus is that, a diagonal of a rhombus bisects the angles of a rhombus. Therefore, this means that:

2x + 15 = 5x + 3

Collect like terms

2x - 5x = -15 + 3

-3x = -12

Divide both sides by -3

x = 4

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