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Isosceles Trapezoid Properties

Total questions: 25

Worksheet time: 39mins

Name
Class
Date
1.
A trapezoid is a parallelogram.
a)
True
b)
False
2.
Base angles of an isosceles trapezoid are _____.
a)
neither
b)
supplementary
c)
congruent
3.
The legs of an isosceles trapezoid are _____.
a)
parallel
b)
perpendicular
c)
congruent
d)
skew
4.
The midsegment of a trapezoid is half the sum of the bases.
a)
True
b)
False
5.
A trapezoid is a quadrilateral with exactly one pair of _____ sides.
a)
parallel
b)
congruent
c)
perpendicular
d)
skew
6.
Find the measure of DG.
a)
14
b)
28
c)
12
d)
16
7.
Find the missing angle of the trapezoid.
a)
65
b)
115
c)
180
d)
None of these
8.
Find the value of x.
a)
23
b)
28
c)
30
d)
Cannot be determined
9.
Find the measure of ∠1:
a)
79°
b)
101°
c)
72°
d)
180°
10.
A trapezoid is a parallelogram.
a)
True
b)
False
11.
The diagonals of an isosceles trapezoid are congruent.
a)
True
b)
False
12.
Which of the following statements is false?
a)
all four angles are congruent
b)
the legs are congruent
c)
the diagonals are congruent
d)
the base angles are congruent
13.

Which of the following are properties of an isosceles trapezoid? Click all that apply. There is more than one correct answer.

a)

At least one pair of parallel sides

b)

Diagonals are congruent

c)

Legs are congruent

d)

Base Angles are congruent

14.

Which of the following is not a property of an isosceles trapezoid

a)

Exactly one pair of parallel sides

b)

Diagonals are congruent

c)

Diagonals bisect each other

d)

Legs are congruent

15.

ABCD is an isosceles trapezoid, what is true about AD and BC?

a)

They are legs, so they are congruent

b)

They are diagonals, so they are congruent

c)

They are base angles, so they are congruent

d)

They are alternate interior angles, so they are congruent

16.

ABCD is an isosceles trapezoid, what is true about <ADC and <BCD?

a)

They are legs, so they are congruent

b)

They are diagonals, so they are congruent

c)

They are base angles, so they are congruent

d)

They are alternate interior angles, so they are congruent

17.

In a Trapezoid, the parallel sides are called the _____________.

a)

Legs

b)

Bases

18.

In a Trapezoid, the non-parallel sides are called the ___________.

a)

Legs

b)

Bases

19.

In a Trapezoid, the consecutive angles between the bases are _______________.

a)

Congruent

b)

Complementary

c)

Bisected

d)

Supplementary

20.

In a Trapezoid, the median (or midsegment) is equal to ...

a)

Half the length of one bases

b)

The sum of the bases

c)

Half the sum of the bases

21.

If this Trapezoid is isosceles, what is measure of angle 1?

a)

105 degrees

b)

75 degrees

22.
Find the midsegment.
a)
14
b)
28
c)
12
d)
16
23.
Find AB. Median=13, CD=21
a)
no median 
b)
17
c)
28
d)
5
24.

If this is an isosceles Trapezoid, then what is the measure of angle 2?

a)

75 degrees

b)

105 degrees

25.

If this is an isosceles Trapezoid, then what is the measure of angle 3?

a)

75 degrees

b)

105 degrees