Bell-Ringer Practice Set #8 - moc-fv.k12.ia.us · PDF fileHow far does the bike travel for...

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ATD Agenda

•Practice Set #8 Bell-Ringer

•p. 421

•Questions 4-6 Complete Row 4 Investigation

•CYU p. 424

•OYO p. 438: 1, 2, 4 Complete Row 4 Homework

ATD Bell-ringer

Given that the longer leg of a 30-60-90 degree triangle measures 6 units, find the length in units of the hypotenuse.

Given that the longer leg of a 30-60-90 degree triangle measures 8 units, find the length in units of the hypotenuse.

Given that the hypotenuse of a 30-60-90 degree triangle measures 14 units, find the length in units of the long leg.

ATD Bell-ringer

The radius of a circle is decreased by 20%. By what percent will the area be decreased?

The radius of a circle is decreased by 40%. By what percent will the area be decreased?

The radius of a circle is increased by 30%. By what percent will the area be increased?

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