Part A
Which equation can we use to find the length of the side labeled x?

A cos 30° = x/5
B tan 30° = 5/x
C sin 30° = x/5
D sin 30° = 5/x

Part B
What is the value of x?

1) D

2) 10

Step-by-step explanation:

sin(30) = opposite/hypotenuse

sin(30) = 5/x

½ = 5/x

x = 5/0.5

x = 10

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

the final price would be 29.6925

step-by-step explanation:

39.59 minus 25% equals 29.6925