Unit 7 Geometry

Distance Between Two Points

100

(2, 5)   (8, 5)

6

200

(-2, 1)    (-2, -6)

7

300

(2, 5)    (-9, 5)

11

400

(-1, -8)    (-13, -8)

12

500

(-8, 12),    (11, 12)

19

Is This a Triangle

100

3, 4, 5

YES

200

Which will not form a triangle?

A) {6, 8, 10)

B) {6, 8, 16}

C) {1, 3, 4}

B  or C

300

10, 15, 25

NO

400

Which number can't form a triangle?

5, 9, x

4,  12,  15

4 and 15

500

Which number can form a triangle for 8, 11, x

17,   19,   or 21

17

Find the Third Angle

100

45, 45, x

90

200

89, 80, ___

11 degrees

300

5x, 50, 50   x = 

x = 16

400

60, 60, 6x   x = 

10

500

80, 40, 2x

60  (x = 30)

Vertical, Supplementary and Complementary

100

Complementary angles = ___degrees

90 

200

Supplementary angles = __ degrees

180

300

Vertical angles measure 4x and 100. x = 

25 degrees

400

Complementary angles measure 40 and 10x. x = 

x = 5

500

Supplementary angles measure 2x and 2x + 20. x = 

x = 40

Types of triangles

100

All sides are equal. 

Equilateral

200

No sides are equal.

Scalene

300

Two sides equal.

Isosceles

400

Three angles less than 90 degrees.

Acute

500

Three angles of a triangle are congruent. How much is each angle?

60 degrees