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2 years ago

Uadrilateral ABCD has coordinates A (3, 1), B (4, 4), C (7, 5), D (6, 2). Quadrilateral ABCD is a

Mathematics

1 answer:

madam [21]2 years ago

7 0

AB ≅ DC and AD ≅ BC

slope of BC = slope of AD (m = 1/3), slope of AB = slope of DC (m = 3/1)

opposite sides are congruent and parallel so ABCD is a parallelogram.

Answer: parallelogram

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Answer:

Solution given:

Y=90°

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∠ZWY=80°

and XW=80.

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We know that

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In right angled triangle WYZ

Tan 80= $\frac{yz}{wy}$

5.67×wy=yz

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Equating equation 1&2

$\frac{yz}{5.67}$ = $\frac{yz}{3.27}$ -80

$\frac{yz}{3.27}$ - $\frac{yz}{5.67}$ =80

5.67yz-3.27yz=80*5.67*3.27

2.4yz =1483.272

yz= $\frac{1483.272}{2.4}$

yz=618.03

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