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3 years ago

What X !!!!!!!!!!!!!!!!!! Help me please!!!!

Mathematics

2 answers:

Shalnov [3]3 years ago

6 0

Answer:

The value of x is 135°.

Step-by-step explanation:

This figure displays a straight angle, meaning that its measure is 180°.

180° - 45° = 135°

Since angle x is indeed an obtuse angle, the answer is correct! Hope this helps; have a great day.

Vaselesa [24]3 years ago

5 0

Answer:

Step-by-step explanation:

According to the problem, 

45° + x = 180° [Linear pair]

=> x = 180° - 45°

=> x = 135° (Ans)

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The length of BC is $4 \sqrt{5}$ .

Solution:

Given ABC is a right triangle.

AC is the hypotenuse and BD is the altitude.

AB and BC are legs of the triangle ABC.

AC = 16 and DC = 5

Leg rule of geometric mean theorem:

$\frac{\text { hypotenuse }}{\text { leg }}=\frac{\text { leg }}{\text { part }}$

$\Rightarrow \frac{AC}{BC}=\frac{BC}{DC}$

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$\Rightarrow 80= x^2$

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Taking square root on both sides.

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square and square roots get canceled, we get

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