Unit 7 - Right Triangles

Pythagorean Theorem

100

Which of the side lengths must be plugged into 'c'.

The Hypotenuse

200

Find the length of the missing leg of a right triangle if the other leg is 6 and the hypotenuse is 9.  

3 root 5

300

Study Guide #8

2 root 5

400

Study Guide #16

root 65

500

Study Guide #17

root 58

Pythagorean Theorem Applications

100

How can you tell if three given lengths can form a triangle?  (Ex:  2, 5, 6)

If the two short sides add to exceed (be greater than) the longest side.

200

If a² + b² > c², what type of triangle are you dealing with?

Acute

300

Determine whether a triangle with sides of 4, 5, and root 41 is a right triangle, acute, or obtuse.

Right

400

Study Guide #13

Be sure to answer BOTH parts of the question!

23>15.7 so it IS a triangle

277>245 so it is acute

500

Study Guide #18

168 square feet

Special Right Triangles

100

In a 45 - 45 - 90, the two legs are congruent and the hypotenuse is the same length times _______.

Root 2

200

What is the relationship between the "short" leg and the hypotenuse of a 30-60-90?

The short leg is half the length of the hypotenuse.

300

Study Guide #26

u = 8, v = 8

400

Study Guide #25

3 root 3

500

Study Guide #27

x = 5 root 3

y = 10

Unit 7 Potpourri

100

List at least two sets of Pythagorean Triples.

Possible Answers:  3/4/5, 5/12/13, 7/24/25, 8/15/17, 9/40/41, etc

200

Solve

7x² = 28

2 and -2

300

What is the distance formula?

Yeah, I'll put this one on the board.

400

Find the distance between the points (-3, 7) and (2, 0).

root 74

500

Study Guide #22.

5 root 2

Not Math

100

Name 3 of our principals/vice-principals at LHS.

Possible Answers:  Lowery, Wapp, Matthews, Lloyd, Reeves

200

What were the possible color combinations of the notorious "dress" meme from several years back?

Gold/White and Black/Blue

300

What was our assembly about yesterday during FLIGHT TIME?

GoCAPS

400

In a famous 80's song, a guy really likes a girl and has her phone number.  He made a song about it.  What was Jenny's phone number?

867-5309

500

What is the answer to the ultimate question in the universe?

42