Pythagorean and distance formula

Is this a right triangle?

• yes

• no

• sometimes

Is this a right triangle

• no

• yes

• sometimes

Is this a right triangle?

• no

• sometimes

• yes

A triangle has the measurements of 14mm, 19mm and 23mm. Is this a right triangle?

• yes

• no

• sometimes

Plot and connect the points (-1,3) (4,2) and (1, -5). What shape is this/

• a square

• right triangle

• a triangle that is not a right triangle

• a trapezoid

What is the distance between (1,2) and (7,6)? Choose the most accurate answer.

• about 7

•  $\sqrt{50}$  

•  $\sqrt{52}$  

•  $\sqrt{62}$  

What is the distance from (4,5) and (-1,7)? Choose all correct answers.

• about 12.9

• 13

•  $\sqrt{169}$  

•  $\sqrt{196}$  

What is the distance from (12,5) and (-12, -2)?

• $\sqrt{625}$

• 15

• $\sqrt{225}$

• 25

Which plane is closer to the airport tower?

• plane a

• plane b

• both are the same distance

 $\sqrt{41,}\sqrt{52\ \ ,}\sqrt{126}$  classify as 

• rational

• irrational

• integers

• whole numbers