Answer:
The number is 2.
Step-by-step explanation:
If the number is x then:
x + 2x^2 = 10
2x^2 + x - 10 = 0
2x^2 - 4x + 5x - 10 = 0
2x(x - 2) + 5(x - 2) = 0
(2x + 5)(x - 2) = 0
x = 2.
Yes because their both 90° angle triangles
I am in high school geometry and it is a
since it is a reciprocal
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