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Which equation is a true statement about △CBD below?

A. h^2 = a^2 + b^2

B. h^2 = a^2 - b^2

C. h^2 = a^2 + x^2

D. h^2 = a^2 - x^2

PLEASE ANSWER BRAINLIEST Which equation is a true statement about CBD below A h2 a2 b2 B h2 a2 b2 C h2 a2 x2 D h2 a2 x2 class=

Respuesta :

zexius
Using Pythagoras' theorem (a² + b² = c²), the correct answer is:

D. h² = a² - x²

Because a would be the hypotenuse, but h is not, so you have to rearrange the equation.
erolkayacan

Answer:

The answer is D

Step-by-step explanation:

BCD is a right triangle. On BCD triangle hypotenuse theorem can be applied. From the hypotenuse  theorem below equation can be written:

[tex]a^2=x^2+h^2[/tex]

If we change the side of x the equation will be:

[tex]h^2=a^2-x^2[/tex]

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