Trigonometry

Hong Kong

Stage 1 - Stage 3

Consider the following figure.

a

Find the value of $x$`x`.

Round your answer to two decimal places.

b

Next, find the value of $y$`y`.

Round your answer to two decimal places.

c

Hence or otherwise, find the length of the base of the triangle.

Round your answer to two decimal places.

Easy

Approx 3 minutes

Consider the following diagram.

Consider the following trapezium.

Consider a cone with slant height $13$13m and perpendicular height $12$12m.

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