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emmainna [20.7K]
3 years ago
12

•given ABCD is a kite, check every box that must be true

Mathematics
1 answer:
natali 33 [55]3 years ago
7 0

Answer:

Step-by-step explanation:

A kite is a quadrilateral made up of two isosceles triangles. A kite does not have any parallel side, but has two pairs of equal adjacent sides. All four sides are not congruent, only two pairs of consecutive sides are congruent.

The vertices of a kite are right angles. The diagonals bisect each other at right angles ( that is they are perpendicular). Therefore the following are true:

1) two pairs of consecutive sides are congruent

2) The diagonals are perpendicular

3) The diagonals bisect each other.

Point A= (3,6), B = (5,0), C= (-2,-4) D = (-3,4)

AB=\sqrt{(0-6)^2+(5-3)^2}=\sqrt{40}  \\AD=\sqrt{(4-2)^2+(-3-3)^2}=\sqrt{40}\\ BC=\sqrt{(-4-0)^2+(-2-5)^2}=\sqrt{65}\\  DC=\sqrt{(4-(-4)^2)+(-3-(-2))^2}=\sqrt{65}

AB=AD, BC = BC.

This is a kite since two pairs of consecutive sides are congruent

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Answer:

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Step-by-step explanation:

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#1 please! will give great rating! please explain to!
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Find the perimiter now

that is right triangle so
when hpotonouse is c and hthe lgs are a and b
a²+b²=c²

given
leg is 8
hypotonuse is 13

8²+b²=13²
64+b²=169
minus 64 from both sides
b²=105
sqrt both sides
b=√105

find total perimiter
8+13+√105=21+√105

times 1/32 for scale
0.65625+0.32021721143623744947565745876628=
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A is the answer
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