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Question
In ∆RST, ∠S = 90°, ∠T = 30°, RT = 12 cm, then find RS.
Solution
In ∆RST, ∠S= 90°, ∠T= 30°, RT= 12 cm
∴ By using angle sum property of triangle.
∠R =60°
∴ By 30° - 60° - 90° theorem,
∴ `l(RS) = 1/2 xx RT`
∴ `=1/2 xx 12`
`l(RS) = 6cm`
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As shown in figure, LK = `6sqrt(2)` then
- MK = ?
- ML = ?
- MN = ?
