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can someone pls pls help me ?

Can Someone Pls Pls Help Me class=

Sagot :

Clarch19idn

Answer:

a = 9

Step-by-step explanation:

this shape is an isosceles trapezoid where the pair of non-parallel sides are equal; therefore we can set up this equation to find 'a'

P = a + a + 2 + 8

28 = 2a + 10

18 = 2a

a = 9

Check:

9(2) + 2 + 8 = 28

18 + 10 = 28

28 = 28

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