Triangles Quiz 2

In $\triangle ABC$, E and F are the points on the sides AB and AC respectively. If AE = 2 cm, EB = 2.5 cm, AF = 4 cm and FC = 5 cm, then

From the given figure, the value represented by ‘x’ is ……

From the given figure, ar $(\triangle ADE)$: ar $(\triangle ABC)$ = 

The altitude of an equilateral triangle of side ‘x’ cm is

Areas of two similar triangles are 100 $cm^2$ and 64 $cm^2$ . If the median of bigger triangle is 10 cm, then the median of the smaller triangle is …………

If $\triangle PQR$ ~ $\triangle XYZ$ and $\angle X$= 30°, $\angle Q$=50°, then $\angle Z$ = …………

If line segment showed by arrow sign are parallel in the given figure, then x = ……..

In Heron’s formula, area of triangle = $\sqrt{S(S-a)(S-b)(S-c)},$ S is ……………… of the triangle.

In $(\triangle ABC)$ with $\angle A$ = 90°; from A, perpendicular AD is drawn on BC. Which one of the following is not correct?

If $\triangle PQR$ $\sim$ $\triangle XYZ$, QR = 3 cm, YZ = 4 cm, ar $\triangle PQR$ = 54 $cm^2$ , then ar $\triangle XYZ$ = ………