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Kites. By: Bethany Walters, Autumn Walters, Josh Taylor, Connor Jaggers , David Berger. Kite: Has two pairs of equal sides. Each pair must be adjacent sides, and each pair must be distinct. Meaning the pairs cannot have a side in common. . Properties.

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Presentation Transcript
kites

Kites

By: Bethany Walters, Autumn Walters, Josh Taylor, Connor Jaggers, David Berger

slide2

Kite: Has two pairs of equal sides. Each pair must be adjacent sides, and each pair must be distinct. Meaning the pairs cannot have a side in common.

properties
Properties

Area and perimeter are also properties.

Diagonals intersect at right angles; meaning that they always dissect each other at 90 degrees.

Angles between unequal sides are equal

slide4

Where the red lines on the inside of the kite intersect they are crossing at 90 degrees, using the property diagonals intersect at right angles.

slide5

Area can be calculated by using the “diagonals” method. Once you know the lengths of the two diagonals, the area is half the product of the diagonals.

slide6

Area= d₁d₂

2

Finding the area of a kite is pretty easy. You use the method d₁ multiplied by d₂ then you divide it by 2.

d₁ is the length of one diagonal.

d₂ is the length of the other diagonal.

In this drawing:

d₁ would be 6

d₂ would be 10

When multiplying that you would get 60.

Then divide by two giving you the answer of 30 as your area.

6

10

slide7

Finding the perimeter is also easy. All you’re doing is finding the distance around the kite.

slide8

Perimeter= 2a+2b

13.5

13.5

When finding the perimeter you use the method 2a+2b.

2a is the length of each side in one pair.

2b is the length of each side in the other pair.

In this drawing:

2a= 13.5+13.5= 27

2b= 21.3+21.3= 42.6

Then you will just add together 27 + 42.6 and get the answer 69.6 for your answer.

21.3

21.3

homework
Homework
  • CH 6. SECTION 6
    • Numbers: 5,6,7,10,11,12,