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Year 10 Maths - 10A Trigonometry

Trigonometric Ratios

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Question 1
206984

In the right-angled triangle below, the right angle is at the top.

(i) Which length is the hypotenuse?

(ii) Which length is the side opposite \(\theta\)?

(iii) Which length is the side adjacent to \(\theta\)?

Right-angled triangle with thetaA right-angled triangle drawn with its longest side, 15 cm, along the bottom and the right angle at the top vertex. The other sides are 12 cm (left) and 9 cm (right). The angle theta is at the bottom-left vertex, at the end of the 12 cm side. θ 15 cm 12 cm 9 cm
Part a: (i) 
15
 cm 1 mark
Part b: (ii) 
9
 cm 1 mark
Part c: (iii) 
12
 cm 1 mark

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