Triangles Quiz 3

In the adjacent figure, AB = 3 cm, AC = 8 cm, BE = 4.5 cm, then CD = ……

If $\triangle ABC$ ~$\triangle DEF$ and area $(\triangle ABC)$ : area $(\triangle DEF)$ = 49 : 100. Then DE : AB = …………

In $\triangle ABC$, $\overline {DE} \parallel \overline {BC}$  and $\frac{AD}{DB} = \frac{3}{5}$ ,AC = 5.6, then AE =

$\triangle ABC \sim \triangle PQR , \angle A$ = 50°, then $\angle Q+ \angle R$ =

Area of regular hexagon of side ‘a’ units is …………….. sq. units

If $\triangle ABC \sim \triangle DEF$ , BC = 4 cm, EF = 5 cm area of $\triangle ABC = 80$ $cm^2$ , then area of $\triangle DEF = ......... cm^2$ .

In a square, the diagonal is ……………… times of its side.

In a quadrilateral ABCD, if AB = CD, BC = AD and $AC \neq BD,$ then ABCD is ………

In $\triangle PQR, \angle R$ = 90° then hypotenuse is …………

$\triangle ABC \sim \triangle DEF$ if $\angle E + \angle F$ = 130° then $\angle A$ = ...........