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Laabri

02. Ch12.3 Classifying Triangles

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1.

Which quadrilateral has four right angles AND four equal sides.

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2.

Fill in the blank:

This triangle would be calssified as a ________________ triangle.

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3.

This triangle is an equilateral triangle.

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4.

What are all the classifications of a square? Select all that are true.

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5.

What type of quadrilaterals are shown above?

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6.

Fill in the blank:

A scalene triangle has ______________ equal sides.

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7.

An equilateral triangle has ____________ equal sides

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8.

Parallel lines are lines that never touch eachother and are always the same distance apart.

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9.

Select all the choices that could be used to classify triangles based on their angle measures.

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10.

Triangles can be classified in two ways. By looking at the ______ and the ______ .

Hint: use , between the words

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11.

When measuring the sides, triangles can be classified as acute, scalene and isosceles.

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12.

When measuring the angles, triangles can be classified as acute, equilateral and right.

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13.

Draw an obtuse triangle below.

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14.

Draw an equilateral triangle.

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15.

A triangle has sides measuring 8 inches, 5 inches and 4 inches. How would you classify it?

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16.

A triangle has two equal sides and a 90 degree angle. Classify it by its angle and its sides and write it below.

Sample Answer: (by angle) , (by sides)

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17.

A triangle has two angles measuring 60 degrees, and 80 degrees. The measurement of the final angle is 50 degrees.

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18.

A ______ triangle has no sides that are the same length.