Basics
Hypotenuse
Legs
Vocab.
Area
100

122

144

100

Use the Pythagorean theorem to find c. 

a = 3

b = 4

5

100

Use the Pythagorean theorem to find the missing leg for the triangle with c=5 and b=4.

a = 3

100

In the Pythagorean theorem, what are "a" and "b" called? 

legs

100

What is the area of a triangle with a=5 and b=12?

30

200

162

256

200

Use the Pythagorean theorem to find c.

a = 6 

b= 8

10

200

Use the Pythagorean theorem to find the missing leg for the triangle with a= 8 and c=17.

b = 15

200

a segment from a vertex of the triangle to the line containing the opposite side and perpendicular to that side

altitude

200

What is the area of a triangle with b=6 and c=8?

15.9

300

sqrt(841)

What is 29?

300

Use the Pythagorean theorem to find the missing hypotenuse for the triangle whose legs are 5 and 12.

13

300

Use the Pythagorean theorem to find the missing leg for the triangle with a = 7 and c = 25.

b = 24

300

the point where three bisectors of the interior angles of a triangle intersect

Incenter

300

What is the area of a triangle with a=8 and c=9?

16.4

400

272

729

400

Use the Pythagorean theorem to find the missing hypotenuse for the triangle whose legs are 9 and 12.

15

400

Use the Pythagorean theorem to find the missing leg for the triangle with c=20 and b=29.

a = 21

400

In the Pythagorean theorem, what is "c" called?

Hypotenuse

400

What is the area of an ISOSCELES triangle with congruent legs of 7 cm and the base of 10.4 cm?

24.4 cm

500

sqrt(1764)

42

500

Use the Pythagorean theorem to find the missing hypotenuse for the triangle whose legs are 12 and 16.

20

500

Use the Pythagorean theorem to find the missing leg for the triangle with c = 37 and b = 12.

a = 35

500

the _______, also known as geometric center or center of gravity of a figure

Centroid

500

What is the area of an ISOSCELES triangle with congruent legs of 5 cm and the base of 7.6 cm?

12.2 cm