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natta225 [31]
3 years ago
10

What is the length of BC in the right triangle below?

Mathematics
2 answers:
Molodets [167]3 years ago
5 0

Answer:

Option D is correct.

\overline{BC} = 122 units

Step-by-step explanation:

Using Pythagoras theorem:

\text{Hypotenuse side}^2 = \text{Opposite side}^2+ \text{Adjacent side}^2

As per the given right angle triangle ABC diagram:

In triangle ABC; we have

Hypotenuse side = BC

Opposite side  = AB = 22 units

Adjacent side =AC= 120 units

Apply the Pythagoras theorem on rt angle triangle ABC we have;

\text{BC}^2 = 22^2+120^2

⇒\text{BC}^2 = 484+14400 = 14884

⇒\tet{BC} = \sqrt{14884}=122 units

Therefore, the length of side BC is, 122 units

olga55 [171]3 years ago
3 0
AB²+AC²=BC²
120²+22²=BC²
14884=BC²
BC=122
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