shelbyb55 shelbyb55

09-02-2021
Mathematics

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In parallelogram ABCD, AB = (2x + 15) and 4C = x. Find x.
O55
O60
O15
O45

In parallelogram ABCD AB 2x 15 and 4C x Find x O55 O60 O15 O45 class=

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Аноним Аноним

09-02-2021

Answer:

x = 55

Step-by-step explanation:

ABCD is a paralellogram, m∠ABC = 2x + 15, m∠BCD = x

m∠ABC + m∠BCD = 180° (same side interior angles)

2x + 15 + x = 180

3x + 15 = 180 -15

3x = 165

x = 55

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