2 years ago

What is the value of x? A/ 2 units B/ 3 units C/ 5 units D/ 8 units

Mathematics

1 answer:

shtirl [24]2 years ago

8 0

Answer:

C. x=5 units.

Step-by-step explanation:

In right triangle ABC, the height BD is the geometric mean of the segments AD and DC.

Hence,

$BD^2=AD\cdot DC,\\ \\10^2=x\cdot 4x,\\ \\100=4x^2,\\ \\x^2=25,\\ \\x=5\ un.$

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