The height of a rhombus is 5 cm. The area is 20 cm². a) Find the measure of the base \ b) Find the perimeter of the rhombus

asked Oct 17, 2016 154k views

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The height of a rhombus is 5 cm. The area is 20 cm².

a) Find the measure of the base \
b) Find the perimeter of the rhombus

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A = 1/2bh
20 = 1/2b(5)
20 = 2 1/2b
20 × 2/5 = 2/5 × 5/2b
8 = b

P = 4a
P = 4(13)
P = 52cm²

Omerio answered Oct 23, 2016

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