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bija089 [108]
3 years ago
7

Given the triangle below, Which of the following equations correctly represents the relationship between a,b and c

Mathematics
2 answers:
Dennis_Churaev [7]3 years ago
7 0

Answer:

Option D is correct.

Step-by-step explanation:

We are given with a right angled triangle.

Measurement of sides of triangle are a , b , c

and measure of ∠C is 90°

We know that we have a relationship between sides and an angle opposite to a side.

This relation is given by LAW OF COSINES.

In given triangle and using law of cosines, we have

b² = a² + c² - 2ac cos B

a² = b² + c² - 2cb cos A

c² = a² + b² - 2ab cos C  ⇒ c² = a² + b² - 2ab cos(90°)

Therefore, Option D is correct.

nekit [7.7K]3 years ago
3 0
The correct answer I believe is D
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