Exact Trigonometric Values in Right-Angled Triangles
(a)
(b)
Find the exact value
of 𝑥 .
(c)
Find the exact
length of 𝑦.
30°
Find the exact
length of 𝑥 .
4√3 𝑚𝑚
6√3 𝑐𝑚
(d)
(e)
Find the exact
length of 𝑦.
(f)
Find the exact length of 𝑥 .
8√5 𝑐𝑚
(g)
(i)
Find the exact value of the shaded area.
18 𝑐𝑚2
6 − 2√3 𝑐𝑚
2√10 𝑚
(h)
Find the area
of the
parallelogram.
Find the exact
length of 𝑥 .
24 𝑐𝑚2
A triangle is
joined to a
parallelogram.
Find the exact
perimeter of the
shape.
18 + 14√3 𝑐𝑚