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2 years ago

A triangle has angle measurements of 72°, 101°, and 7° What kind of triangle is it?

2 answers:

6 0

It is a scalene triangle.

Explanation:

There are 3 types of triangle.

1) Equilateral triangle, with all angles of the same size 60°.

2) Isosceles triangle, with two (bottom) angles of same size.

3) Scalene triangle, with NO angles of the same size.

Since 72°, 101° and 7° are not equal, it is a scalene triangle.

iogann1982 [59]2 years ago

5 0

Answer:

it is a scalene triangle coz all angels are different.

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3 years ago

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3 years ago

13. What is the value of x?

Scilla [17]

9514 1404 393

Answer:

B. 50

Step-by-step explanation:

The alternate interior angles at transversal t across parallel lines AB and CD will be congruent.

2x +40 = x +90

x = 50 . . . . . . . . . . . subtract x+40

The value of x is 50.

_____

<em>Check</em>

2x+40 = 2×50 +40 = 140

x+90 = 50 +90 = 140 . . . . so the obtuse angles are congruent, as they should be

___

<em>Additional comment</em>

The lines AB and CD are not shown as being parallel. We have to assume they are, or we cannot work the problem.

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