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Vikki [24]
2 years ago
15

Select the condition for which it is NOT possible to construct a triangle.

Mathematics
1 answer:
maw [93]2 years ago
6 0

Answer:

A triangle with side lengths 4 cm, 5 cm, and 15 cm

Step-by-step explanation:

In order to form a triangle with given side lengths, sum of any two sides must always be greater than the third side.

4+5= 9\ngtr 15\\

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A ring is now reduced to £840. This is a saving of 40% of the original price.
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the utility industry has 428.5 thousand jobs in 2010 and is expected to decline at an average rate of 3 thousand jobs per year f
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3 years ago
Find the distance between points P(4, 6) and Q(8, 9) to the nearest tenth.
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I need help i dont know what to do
vladimir1956 [14]

9514 1404 393

Answer:

  ∠CAB = 28°

  ∠DAC = 64°

Step-by-step explanation:

What you do in each case is make use of the relationships you know about angles in a triangle and around parallel lines. You can also use the relationships you know about diagonals in a rectangle, and the triangles they create.

<u>Left</u>

Take advantage of the fact that ∆AEB is isosceles, so the angles at A and B in that triangle are the same. If we call that angle measure x, then we have the sum of angles in that triangle is ...

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The measure of angle CAB is 28°.

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<u>Right</u>

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The measure of angle DAC is 64°.

(Another way to look at this is that triangles BCE and DAE are congruent isosceles triangles, so corresponding angles are congruent.)

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