Triangulator Triangulator

24-09-2020
Mathematics

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In parallelogram ABCD, DB =28 cm. AN and CM are perpendicular to BD. AN = CM =10 cm. Find the area of the parallelogram.

In parallelogram ABCD DB 28 cm AN and CM are perpendicular to BD AN CM 10 cm Find the area of the parallelogram class=

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24-09-2020

Answer: 280 cm

Step-by-step explanation:

The base of each of the congruent triangles ABD and CBD is BD= 28 cm. The height of each is the perpendicular 10cm.

A=(2)(bh/2) works out to A= bh since the 2/2 cancel

So 10cm × 28cm = 280cm²

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