Activity for sin(a+b) formula

Question 1

Which segment is ?

Question 2

Which segment is ?

Question 3

Which segment is ?

Question 04

Which segment is ?

Question 5

Which segment is ?

Question 6

Which segment is ?

Question 7

What is an expression in terms of and for the length of GB? Hint: Use right triangle ABG.

Question 8

If angle CAD is degrees what can you say about the measure of angle FEG?

Question 9

Write an expression in terms of and for the length of EF? Hint: Use right triangle EFG

Question 10

In question 6, you should have found that segment EI can be called . But EI is also the sum of EF+FI=EF+GB. What is another (more complicated) expression for the length of EI?

Check all that apply