Answer:
9:4 AND 4:13
Step-by-step explanation:
YOU HAVE TO SUBTRACT 9-13
You need to draw the triangle DEF with a right angle at E. Angle D = 40 and DE = 100 m. Once you have marked up your triangle, you can use cosine to find DF.
(5^-2)= (1/5^2)... (1/25) now cube that so it will be 1/15625. Hope that helps
