In triangle ABC, B = 90°, and C = 45

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Home Questions JH8B8JVQV2

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Geometry

Question:

In triangle ABC, B = 90°, and C = 45°. If AC = 2$\sqrt{2}$ cm, then the length of BC is:

Options:

3 cm

2 cm

1 cm

4 cm

Correct Answer:

2 cm

Explanation:

cos${45}^\circ$ = $\frac{BC}{2√2}$

BC = $\frac{2√2}{√2}$ = 2 cm.

Therefore, BC = 2 cm.