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An equilateral triangle shares a single side with a kite to form a new

quadrilateral, as shown below.
Calculate the size of angle p.
Give your answer in degrees (°).

An equilateral triangle shares a single side with a kite to form a new quadrilateral-example-1

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Answer:

<P = 41

Explanation:

we can consider this first figure as a quadrilateral and the trianlgle attached to be is equilateral triangle (as it is already shown in the figure that sides are equal)

we know that each angle of equalateral triangle is 60°

we can see that angle 79° is attached to it and even other angle is also attached

let the other angle be x

we can notice that x and the angle of equi triangle make a linear pair

so 180 - 60

= 120°

the opposite angle to the angle x will be also equal as angles on the same side of qual sides will be equal

now we know that total angle sum of quadrilateral is 360°

so

79 + 120 + 120 + <P = 360

319 + <P = 360

<P = 360 - 319

<P = 41

User Mariuz
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