3 years ago

GEOMETRY The sum of the measures of the angles of a trapezoid is 360 degrees. Find the missing measure

Mathematics

1 answer:

Svetlanka [38]3 years ago

6 0

Answer:

Step-by-step explanation:

Add them all first

100+110+80=290

Then subtract

360-290

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(8.1 x 10-3). (3 x 109)

mihalych1998 [28]

your answer for this is 18,540.9

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4 years ago

Two runners ran as a team in a 5,000-m relay race. the first runner ran 500 m farther than the second runner. how many meters di

hammer [34]

Let a = runner 2, a + 500 = runner 1.

a + (a + 500) = 5000
2a + 500 = 5000
2a = 4500
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Runner 1 ran 2,750 meters. Runner 2 ran 2,250 meters.

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3 years ago

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Several different cheeses are for sale. The cheese comes in wedges

Tpy6a [65]

Answer:

39.30 $cm^{2}$

Step-by-step explanation:

The area of the top surface of the wedge is the same as the area of a sector.

Area of a sector = (θ/ $360^{o}$ ) $\pi$ $r^{2}$

where: θ is the central angle, and r is the radius.

Given that: central angle = $45^{o}$ , radius = 10 centimetre.

Area of the top surface = Area of a sector = (θ/ $360^{o}$ ) $\pi$ $r^{2}$

= $\frac{45^{o} }{360^{o} }$ x $\frac{22}{7}$ x $(10)^{2}$

= $\frac{1}{8}$ x $\frac{22}{7}$ x 100

= 39.2857

= 39.30 $cm^{2}$

The area of the top surface of the wedge is 39.30 $cm^{2}$ .

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3 years ago

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Can someone please help me with this portfolio?

Eduardwww [97]

If u have any doubts ask me
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3 years ago

A road is 5.5 kilometers long.<br><br> How many centimeters long is it?

mihalych1998 [28]

1 km= 100,000 cm
5.5km x 100,000 = 550,000 cm

Hope this helps

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3 years ago