2 years ago

Please please help !

Mathematics

2 answers:

BARSIC [14]2 years ago

6 0

Answer:

x = 13.7

Step-by-step explanation:

The angle at the top of the triangle = 90° - 17° = 73°

The left side of the triangle is x ( opposite sides of a rectangle )

Using the cosine ratio in the right triangle

cos73° = $\frac{adjacent}{hypotenuse}$ = $\frac{x}{47}$

Multiply both sides by 47

47 × cos73° = x, hence

x ≈ 13.7

Yuliya22 [10]2 years ago

5 0

Answer:

13.74

Step-by-step explanation:

the top right angle is 90 (opposite angles in a quadrilateral add up to 180). use the sine rule. x = 47/sin 90 × sin 17

= 13.74

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