Common Core: 4th Grade Math : Classify Two-Dimensional Figures: CCSS.Math.Content.4.G.A.2

Study concepts, example questions & explanations for Common Core: 4th Grade Math

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Example Questions

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Example Question #11 : Geometry

A triangle that has three equal sides can be called ___________ .

Possible Answers:

an isosceles triangle 

a right triangle 

an equilateral triangle 

a scalene triangle 

Correct answer:

an equilateral triangle 

Explanation:

The only type of triangle that has three equal sides is an equilateral triangle. 

Example Question #11 : Draw And Identify Lines And Angles, And Classify Shapes By Properties Of Their Lines And Angles

A right triangle has to have an angle that measures __________ degrees. 

Possible Answers:

Correct answer:

Explanation:

A right triangle has to have a right angle, which is equal to 

Example Question #11 : Classify Two Dimensional Figures: Ccss.Math.Content.4.G.A.2

What is the name for the two-dimensional figure below?

Screen shot 2020 09 09 at 3.44.55 pm

Possible Answers:

Heptagon

Pentagon

Hexagon

Parallelogram

Correct answer:

Pentagon

Explanation:

The two-dimensional figure shown in the image is a pentagon. A pentagon is classified by having five sides, five angles, and five vertices. A pentagon has interior angles that add to 540 degrees. Regular pentagons have sides of equal length and interior angles of 108 degrees.

Example Question #12 : Classify Two Dimensional Figures: Ccss.Math.Content.4.G.A.2

What is the name for the two-dimensional figure below?

Screen shot 2020 09 09 at 3.55.16 pm

Possible Answers:

Square

Hexagon

Pentagon

Quadrilateral

Correct answer:

Quadrilateral

Explanation:

The two-dimensional figure in the question is a quadrilateral. A quadrilateral is a four-sided shape, has four angles and four vertices. More specifically, this type of quadrilateral can be called a trapezoid or parallelogram.

Example Question #13 : Classify Two Dimensional Figures: Ccss.Math.Content.4.G.A.2

What is the name for the two-dimensional figure below?

Screen shot 2020 09 09 at 4.16.03 pm

Possible Answers:

Hexagon

Heptagon

Pentagon

Octagon

Correct answer:

Heptagon

Explanation:

The two-dimensional shape in the image is a heptagon. A heptagon has seven sides, seven angles, and seven vertices. The sum of the interior angles is 900°.

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