Answer:

Step-by-step explanation:
Find the area of the 4 triangles and add them.
Area of triangle = base × height × 0.5

Answer:
I want 50 points
Step-by-step explanation:
Nothing
Answer:
Angle 1 = 21
Angle 3 = 21
Angle 4 = 159
Step-by-step explanation:
Answer:
Step-by-step explanation: start with what you know
for you need to fing a number bigger than 4 and 5 that you can multiply them to and subtract 2 or 5.