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PRE-ASSESSMENT (QUADRILATERALS & TRIANGLE SIMILARITIES))

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Which of the following parallelograms is similar to the parallelogram shown on top?

a)
b)
c)
d)
2.

Given the figure on top, which two triangles are similar?

a)
b)
c)
d)
3.

Which of the following statements is true?

a)

All angles of a rhombus are congruent.

b)

If a pair of opposite sides of a quadrilateral are both parallel and congruent, then it is a parallelogram.

c)

The diagonals of a parallelogram are perpendicular to each other.

d)

The diagonals of a rectangle are perpendicular to each other.

4.

The diagonals of a parallelogram _________.

a)

are perpendicular bisectors of each other

b)

are congruent to each other

c)

are perpendicular to each other

d)

bisect each other

5.

Find the value of x in the given figure.

a)

4

b)

6

c)

10

d)

12

6.

It is a parallelogram with 4 right angles?

a)

rectangle

b)

rhombus

c)

trapezoid

d)

kite

7.

Which of the following statements is true?

a)

All equilateral triangles are similar.

b)

Any two similar triangles are congruent.

c)

All rhombi are similar.

d)

Right triangles are similar

8.

Suppose two polygons are similar. Which of the following statements is false?

a)

They have the same size

b)

Corresponding sides are proportional

c)

They have the same shape

d)

Corresponding angles are congruent

9.

Which of the following statements is false?

a)

An angle bisector of a triangle divides the opposite side into segments that have the same ratio as the other two sides

b)

If two triangles are similar, then the measures of their corresponding sides are proportional.

c)

The altitude to the hypotenuse of a right triangle is the geometric mean between the segments into which it divides the hypotenuse.

d)

If two triangles are similar, then they are congruent.

10.

What kind of triangle is shown in the figure?

a)

acute triangle

b)

isosceles triangle

c)

obtuse triangle

d)

right triangle