smc-679-60-Other problems

Geometry, NAP-E3-CA30 SA

How many degrees does the hour hand of a clock turn in 60 minutes?

degrees

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`30`

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`text(A clock’s hour hand turns 360° in 12 hours.)`

`:.\ text(In 1 hour, it turns)`

`1/12 xx 360 = 30^@`

A gymnast does a move where she makes 3 full somersaults and lands back on her feet.

By how many degrees has the gymnast rotated her body in this move?

`270^@`	`540^@`	`720^@`	`1080^@`

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`1080^@`

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`text(One somersault rotates)\ 360^@.`

`:.3\ text(somersaults)`	`= 3 xx 360^@`
	`= 1080^@`

Elloise is taking a ride on a ferris wheel.

It takes her 5 minutes to complete a full lap.

What angle does the Ferris wheel turn through in 75 seconds?

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`90`

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`text(5 minutes = 300 seconds)`