My math homework

Given that arc AB = 115°, and arc CD = 50°, find the following:

-<1 =

-<2 =

-<3 =

-<4 =

-<6 =

-<7 =

-<8 =

-<9 =

-<5 =

Given <DBC= 32°, and the radius of ⊙ A is 7 cm. Find the area of ∆BCD.

a. What two sides do you need to find first?

..

and

b. How long are those sides?

and

c. What is the area of ∆BCD?

3. Given <APT = (2x^2 + x)°, find x.

4. Given arc AB = 80°, <ACB = (2x + 4y), -∠ADB = (5x – 22y), solve

for x and y.