Examples with solutions for Parts of a Triangle: True / false

Exercise #1

True or false?

α+β=180 \alpha+\beta=180

αβ

Video Solution

Step-by-Step Solution

Given that the angles alpha and beta are on the same straight line and given that they are adjacent angles. Together they are equal to 180 degrees and the statement is true.

Answer

True

Exercise #2

Determine whether the statement is true or false.

AD is the height in the triangle ABC.

AAABBBCCCDDD

Video Solution

Answer

True.

Exercise #3

Determine whether the statement is true or false.

AD is the median in the triangle ABC.

AAABBBCCCDDD

Video Solution

Answer

Impossible to determine.

Exercise #4

True or false?

The size of angle CAB ∢\text{CAB} can be calculated using the data in the diagram.

AAABBBCCC76

Video Solution

Answer

False

Exercise #5

True or false?

The size of angle CAB ∢\text{CAB} can be calculated using the data below.

AAABBBCCC76121

Video Solution

Answer

True

Exercise #6

AB || CD

True or false:
X and Y alternate angles.

AAABBBCCCDDDXY

Video Solution

Answer

False

Exercise #7

AB||CD

Determine whether the statement is true or false:

X and Y are corresponding angles.

AAABBBCCCDDDXY

Video Solution

Answer

True.

Exercise #8

AB || CD
True or false:
X and Y are alternate angles.

AAABBBCCCDDDXY

Video Solution

Answer

True