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alex41 [277]
3 years ago
10

Please help with triangles

Mathematics
2 answers:
Slav-nsk [51]3 years ago
8 0
The first is a right triangle because there is a right angle, and it is scalene because none of the sides are congruent.

The second is an obtuse triangle because there is an obtuse angle, and it is an isosceles triangle because two of the sides are congruent.

The third is an acute triangle because all of the angles are acute, and it is an <span>isosceles triangle because two of the sides are congruent.

The fourth is a right triangle because it has a right angle, and it is a s</span><span>calene because none of the sides are congruent.</span>
kifflom [539]3 years ago
5 0
The fourth one is an acute triangle
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The titanic was 882 feet 9 inches long. You can build a model of the ship that is 2nfeet 6 inches long and 6 inches high. What w
tigry1 [53]
So the actual titanic was 882 feet and 9 inches long, and the model is 2 feet and 6 inches.

1.) Convert both the model and the real titanic to inches.
882 feet = 10584 inches (multiply 12) plus another 9 inches is 10593 inches

And for the model,
2 feet is 24 inches plus another 6 inches is 30 inches.

2.) Find the scale factor compared to the model and the actual thing.
The actual thing is 10,593 and the model is 30 inches. Divide 10593 by 30 to find the scale factor. You should get <span>353.1

</span>3.) Multiply the scale factor to the height.
Since we have the model height and the scale factor, to find the actual height we can just multiply the model height times the scale factor.

6 inches x 353.1 = <span>2118.6 inches
</span>That means the titanic's actual height is 2118.6 inches

4.) Round to the nearest inch.
Because the instructions say round to the nearest inch, we must round 2118.6 to the nearest inch.
You should get 2119 (because the 6 in the tenths place is greater than 4)

Our final answer is 2119 inches. :)
4 0
3 years ago
7. the perimeter of a triangle is 80cm. write and simplify an equation to solve for x.<br>​
Nady [450]

Answer:

X = 18

Step-by-step explanation:

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x = 90/5

x = 18

hope that helped!

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Answer:

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Step-by-step explanation:

First you need to add 26 and 6 to get 32.Then you need to cut 32 in half or divide it by 2 for your answer.

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