Lengths Form a Triangle

What is the area of this triangle? (Enter your numerical answer only.)

Edit: 3 units is the length of the right side of the triangle. 4 units is the length of the dotted line.

What is the area of this triangle? (Enter your numerical answer only.)

Can the following 3 numbers be side measures of a triangle

11, 12, 9

• Yes

• No

Can the following 3 numbers be side measures of a triangle

• Yes

• No

Determine if the 3 numbers can be measures of the sides of a triangle. 9, 11, 20

• Yes

• No

Will the side lengths 6 in, 8 in , 11 in make a triangle?

• Yes

• No

Will the side lengths 5, 6, 12 make a triangle?

• Yes

• No

Do the sides 8, 9, 10 make a triangle?

• yes

• no

Does the sides 8, 9, 10 make a triangle?

• yes

• no

• Yes

• No