Geometry ch 11 Flashcards

1

The area of a circle is ______

C = πd
S = 4πr2
A = πr2
V = (4/3)(πr3

2

cosine is the ratio of _______

hypotenuse/opposite
adjacent/hypotenuse
opposite/hypotenuse
opposite/adjacent

3

√25 = ______

6
3
5
4

4

The volume of a sphere is_______

S = 4πr2
V = (4/3)πr3
A = πr2
V = l w h

5

tanΘ = 3/4 The opposite side to angle Θ is _____

5
4
6
3

6

sinΘ = 3/5 The hypotenuse of the triangle is = _______

5
3
4
6

7

The tangent of an angle is the ratio of _______

opposite/adjacent
adjacent/hypotenuse
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opposite/hypotenuse

8

Area of a square is _______

A = bh
A = (bh)/2
A = πr2
A = (bh)/3

9

sinΘ = _______; when opposite side is 3 and hypotenuse is 5 and adjacent is 4

4/5
3/4
a Meskwaki symbol for friendship
3/5

10

3³ = _______

27
9
6
-9

11

cosΘ = 4/5 The adjacent side is = _______

3
5
4
6

12

The Pythagorean Theorem is ______

a + b2 = c
a2 + 3 = c2
a2 + b2 = c2
a secret Meskwaki code

13

3 + 3(4+5) - (3² + 1) = _______

20
44
27
15

14

Surface area of a sphere is ______

S = 4πr2
S = (2l)(2w)(2h)
S = (4/3)πr3
S = πr2

15

The definition of π is ______

a2 + b2 = c2
V = b w h
A = (bh)/2
C/d = π

16

A right triangle with a=3; b=4; c= _______

32
25
5
42

Geometry ch 11

Questions 16

Geometry ch 11

Questions 16