SECTION 3TIME—25 MINUTES 20 QUESTIONSTURN TO SECTION 3 OF YOUR ANSWER...

4. Unless otherwise specified, the domain of any function fis assumed to be the set of all real num-bers xfor which f(x) is a real number.

ᐉ

r

45°

60°

2x

2

h

x s

s

w

h b

c

30

°

a

3

s

b

ᐉ

x

A =

ᐉ

^w

A =

¹

/

2

bh

^{V =}

ᐉ

^wh

^{V =}

π

r

²

h

c

²

= a

²

+ b

²

Special right triangles

A =

π

r

²

C=2

π

r

The number of degrees of arc in a circle is 360.The sum of the measures in degrees of the angles of a triangle is 180.