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Svetradugi [14.3K]
3 years ago
6

What °(degree) dose a isoscele,scalene and equilateral have to be to make it acute, obtuse or right?

Mathematics
1 answer:
cestrela7 [59]3 years ago
7 0
Ok so defenitions
isosceles means 2 angles or sides are equal legnth

scaleen means no sides or angles are eaqual measure

equilateral means all sides and angles are equal measure
(since all side equal measure, all angles are always 60)



acute means all angles are less than 90
obtuse means at least one angle is more than 90
right means that  1 angle is 90 degrees


ok so
isosceleese
for it to be acute, maybe make the angles 50,50,80
obtuse 40,40,100
right 90,45,45

scaleene
acute, 30,70,80
obtuse 100,30,50
right, 90,40,50

equilateral all angles are automatically equal to 60 so
acute: 60,60,60
obtuse: not possible
right: not possible
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Tju [1.3M]
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==================================================

Work Shown:

Let x = 0.363636...

The "36" pattern goes on forever as indicated by the three dots.

Multiply both sides by 100 to get 100x = 36.363636...

Effectively, multiplying by 100 moves the decimal point over 2 spots to the right. The "36" goes on forever here too. The key is to match up the infinite sequences of "36"s and cancel them out through subtraction

36.363636... - 0.363636... = 36

while

100x - x = 99x

So after subtracting the equations, we end up with 99x = 36

From here we solve for x by dividing both sides by 99 and reducing the fraction

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x = 36/99

x = (9*4)/(9*11)

x = 4/11

As a check, use your calculator to find that

4/11 = 0.36363636...

so the answer is confirmed

Note: your calculator may display something like 0.3636363636364, that 4 should not be there. It's a result of rounding (due to the next digit being a 6). Keep in mind that rounding error is often a possibility when it comes to approximate calculations. The calculator only has so much memory and display space.

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