Triangle $ABC$ has angles $\angle A=6x^\circ$, $\angle B=5x^\circ$, and $\angle C=4x^\circ$.

Question

Triangle $ABC$ has angles $\angle A=6x^\circ$, $\angle B=5x^\circ$, and $\angle C=4x^\circ$. Its longest side is $BC=10$ cm. $B$ $C$ $A$ $10\text{ cm}$ $5x^\circ$ $4x^\circ$ $6x^\circ$

Accepted Answer

(a) $12$ (b) $72^\circ$ (c)(i) $48^\circ$ (ii) $5:2$.

Angle and perimeter ratios in similar triangles

Angle and perimeter ratios in similar triangles

Solution:

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