Which of the following can be used to calculate the height of the river dam?

Asked by maham237 @ 17/12/2020 in Mathematics viewed by 434 People

The picture below shows a portion of a river dam:
Which of the following can be used to calculate the height of the river dam? (6 points)

220 cos 40°
220 divided by tan 40 degrees
220 sin 40°
220 divided by cos 40 degrees

Answered by maham237 @ 17/12/2020

Answer:

220cos40

Step-by-step explanation:

cos40=x/220

(220)cos40=x/220(220)

220cos40=x

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