Answer:
A, D, E, F
Step-by-step explanation:
Exterior angles are the outer angles.
Angles 5, 6, 2, 3 are all outer angles or exterior angles.
Angles 1 and 4 are interior angles.
The trigonometric ratios are used for right angle triangle.The basic rule to followed is SOH CAH TOA
SOH means Sinx=opposite/Hyp.
CAH means Cosx = adj./Hyp.
TOA means Tanx = Opp./Adj.
Opposite is the side opposite to the acute angle of the right triangle.
<span>Adjacent is the side Adjacent to the acute angle of the right triangle.
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The longest side in a right triangle is the hypotenuse.
The percent decrease for 3 to .5 is 83.33%
