Math

QuestionKiki draws a right triangle. Which attributes describe it? Choose all that apply: exactly one right angle, polygon, closed figure.

Studdy Solution

STEP 1

Assumptions1. Kiki has drawn a right triangle. . A right triangle is a triangle that has one angle that measures90 degrees.
3. A polygon is a closed figure with straight sides.
4. A closed figure is a shape that starts and ends at the same point.
5. An obtuse angle is an angle that measures more than90 degrees and less than180 degrees.

STEP 2

First, let's consider the attribute "exactly two right angles". By definition, a right triangle only has one right angle. So, this attribute does not describe Kiki's triangle.

STEP 3

Next, consider the attribute "polygon". A triangle is a polygon because it is a closed figure with straight sides. So, this attribute does describe Kiki's triangle.

STEP 4

Now, consider the attribute "exactly one right angle". By definition, a right triangle has exactly one right angle. So, this attribute does describe Kiki's triangle.

STEP 5

Next, consider the attribute "closed figure". A triangle is a closed figure because it starts and ends at the same point. So, this attribute does describe Kiki's triangle.

STEP 6

Now, consider the attribute "one obtuse angle". By definition, a right triangle cannot have an obtuse angle because it already has one angle that measures90 degrees, and the sum of the angles in a triangle is always180 degrees. So, this attribute does not describe Kiki's triangle.

STEP 7

Finally, consider the attribute "four sides". A triangle only has three sides. So, this attribute does not describe Kiki's triangle.
The attributes that describe Kiki's triangle are "polygon", "exactly one right angle", and "closed figure".

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