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09-06-2019
Mathematics

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In parallelogram ABCD, AB=7cm and the perimeter of ABCD is 30cm. What is the length of AD?

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yellowdion yellowdion

10-06-2019

Answer:

8cm

Step-by-step explanation:

Ab=7cm

Since opposite sides are equal

Cd=7cm

7cm + 7cm = 14cm

Perimeter equals 30cm

:.30cm - 14cm =16cm (bc+ad)

Since both bc and ad are equal,

16cm/2=8cm

:.ad=8cm

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