Question

. In parallelogram ABCD, AB = 12 cm. Altitudes DM and DN
correspond to bases AB and BC respectively. If DM = 5 cm
and DN = 6 cm. then find the length of BC.​

Answer 1

Answer:

10 cm

Step-by-step explanation:

Area of a parallelogram = Base x altitude

Let the base be AB.

Base = 12 cm.

Altitude (DM) = 5 cm.

Area of the parallelogram = 12 x 5 = 60 sq.cm.

Altitude corresponding to BC is DN.

DN = 6cm.

Area of the parallelogram = BC x DN

60 sq.cm. = BC x 6

BC = 60/6

BC = 10 cm.

Therefore, BC = 10 cm.

#BAL # answerwithquality

Answer 2

Answer:

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