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likoan [24]
3 years ago
7

What is the size of the angle at the top labeled A?

Mathematics
2 answers:
PtichkaEL [24]3 years ago
8 0
The answer is 40 degrees. (:
Fiesta28 [93]3 years ago
5 0

All triangles have 180°.

As you can see from this triangle, it is an isosceles triangle, because the two angles are the same (I can assume that the two sides are, as well).

As we have two exterior angles that are perpendicular, we can assume that:

x + 110 = 180

x=70

The interior angles is 70 degrees.

We have two interior angles that are the same, so it totals up to 140 degrees.

As mentioned, a triangle has 180 degrees.

Let's use logic.

140 + x = 180

x= 40

The angle measures exactly 40 degrees.

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Yes

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Gary’s playing the role of the Greek god Zeus in a school play he carries a lightning bolt cut from plywood its dimensions are s
photoshop1234 [79]

As the figure is not attached, I have attached the figure using the link- https://cdn.ple.platoweb.com/EdAssets/6764fbd04e1f4014be049f2831fd4e8c?ts=635356393812430000

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Area is 30 square inches.

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Given:

The wooden cutout of the lightning bolt consists of 2 right angled triangles with the legs being 10 inches and 3 inches.

The area of this lightning bolt will be equal to the sum of the areas of the two right angled triangles.

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