The area of a triangle is 84 square cm. If the base of this triangle is 14 cm, find the height of the triangle
14 cm
12 cm
6 cm
16 cm
A parallelogram of area 48 cm2 is divided into two congruent triangles. If the height of the triangle is 4 cm, find the length of base of the triangle.
AE || BC and D is the midpoint of BC. If area △ABC = 84 square cm, what is the area of △BDE?