Q 1: In triangle ABC, D and E are the points on AB and AC. BD = 30, DA = x, BF = y, EC = 15, AC = 22. Find AD.|
Q 2: Find the perimeter of a triangle whose sides are 33.25 cm, 52.45 cm and 49.30 cm.
(Type the answer as Number space Units)|
Q 3: Find the measure of each of the interior angles of a regular polygon of 10 sides.|
Q 4: If two angles and a side of one triangle are respectively equal to two angles and the corresponding side of another triangle, then the two triangles are congruent.|