Practice the questions of **McGraw Hill Math Grade 4 Answer Key PDF Chapter 12 Test **to secure good marks & knowledge in the exams.

## McGraw-Hill Math Grade 4 Chapter 12 Test Answer Key

Question 1.

What is a ray?

Answer:

A ray is a part of a line that has 1 endpoint

It goes on without end in the other direction.

Question 2.

What is an angle?

Answer:

An angle is a figure formed by two rays that share the same end point

The rays are the sides of angle

The end pint is the vertex of the angle.

Question 3.

Which pair of lines is parallel? Place a checkmark below the correct answer.

Answer:

There are no parallel lines in the given pairs of lines.

Question 4.

Which pair of lines is parallel? Place a checkmark below the correct answer.

Answer:

Explanation:

The first pair of lines are parallel lines

So, i placed a check mark under the first pair of lines.

Question 5.

How many parallel lines does this shape have? ________

Does this shape have perpendicular lines? ________

Are all four sides the same length? ________

Name the shape. ________

Answer:

The shape have 2 pars of parallel lines

Yes, the shape of perpendicular lines

No, opposite sides are same in length

The name of the shape is parallelogram.

Question 6.

How many parallel lines does this shape have? ________

Does this shape have perpendicular lines? ________

Are all four sides the same length? ________

Name the shape. ________

Answer:

The shape have 2 pars of parallel lines

Yes, the shape of perpendicular lines

All the sides are same in length

The name of the shape is rhombus.

**Classify each triangle as equilateral, scalene, or isosceles. Then classify each as acute, obtuse, or right.**

Question 7.

Answer:

Right

Scalene

Explanation:

The triangle is right and scalene.

Question 8.

Answer:

Acute

Equilateral

Explanation:

The triangle is an acute and equilateral.

Question 9.

Answer:

Acute

Scalene

Explanation:

The triangle is an acute and scalene.

Question 10.

Draw a line segment. Label it \(\overline{A B}\).

Answer:

Explanation:

I drew a line segment and labeled it \(\overline{A B}\).

Question 11.

Draw an obtuse angle. Label it ∠RPQ.

Answer:

Explanation:

I drew an obtuse angle triangle and labeled it ∠RPQ.

Question 12.

Draw a pair of perpendicular lines. Label them \(\overleftrightarrow{M N}\) and \(\overleftrightarrow{O P}\).

Answer:

Explanation:

I drew a pair of perpendicular lines and labeled the \(\overleftrightarrow{M N}\) and \(\overleftrightarrow{O P}\).

**Draw lines of symmetry on each shape if you can.**

Question 13.

Answer:

Explanation:

I drew 2 lines of symmetry in the given shape.

Question 14.

Answer:

The above given figure cannot be folded into two equal parts

So, it do not have any lines of symmetry.

Question 15.

Jenny draws this pattern.

What shapes will complete the pattern?

Answer:

Explanation:

The pattern is made up circles and triangle

Triangles come after circles and circles come after triangles

So, the missing shapes in the pattern are circles.