Answered

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A searchlight rotates through one complete revolution every 36 seconds. How long does it take the light to rotate through 90°?

Sagot :

226217

Answer: 1 second

1 full revolution=360

4seconds=360degrees

how many seconds are 90 degrees

4:360=x:90

4/360=x/90

simplify

1/90=x/90

1=x

the answer is 1 second

Step-by-step explanation:

Hope this helps you!!!!!!!!! :D
9 seconds

360° can be divided by 9° into 4 parts. 36 divided by 4 is 9
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