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Lera25 [3.4K]
3 years ago
15

What's the area for number 5 and 6

Mathematics
1 answer:
lapo4ka [179]3 years ago
3 0
So to find the area of a Triangle you want to use the equation:

A=B*H/2.

So for the base we use 18 and for the Height we use 8.

Then just do the equation. A=18*8/2=72in.

So to find the area of a Trapezoid you want to use the equation:

A=1/2h(b₁+b₂)

So the numbers we will be using is: 7,7,15.

Put the numbers in the equation: A=1/2(7)(7+15).

Then just do the equation. A=1/2(7)(7+15)=77yards
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Answer:

∠4 and ∠3

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Step-by-step explanation:

A pair of angles is said to be supplementary when the 2 angles add up to give 180°.

Two right angles add up to give 180°. Also, if we have two angles on a straight line, their sum = 180°, according to the linear pair property.

Thus, since m< 3 is given as 90°, m<4 = 90°.

m<4 + m<3 = 180°.

Therefore, <4 and <3 are supplementary.

<4 and <5, <3 and <6 are both linear pairs, therefore they are also supplementary.

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Step-by-step explanation:

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