The figure below shows parallel lines cut by a transversal: which statement is true about ∠1 and ∠2? a) ∠1 and ∠2 are congruent because they are a pair of vertical angles. b) ∠1 and ∠2 are congruent because they are pair of corresponding angles. c) ∠1 and ∠2 are complementary because they are a pair of vertical angles. d) ∠1 and ∠2 are complementary because they are pair of corresponding angles.

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Step-by-step explanation:

y = 6.69 ft

Step-by-step explanation:

Given : A right angled triangle with perpendicular is y ft and hypotenuse is 15 ft.

We have to find the measure of y.

Consider the given triangle

Using trigonometric ratio,

Sine of angle is the ratio of perpendicular to its hypotenuse.

Thus,                

For

We have perpendicular = y ft and hypotenuse = 15 ft.

Multiply both side by 15, we have,

Simplify, we have ,

y = 6.69

Thus, y = 6.69 ft