1. All the sides of a triangle are the same length. If their lengths are 6 cm, what is the perimeter?

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What value of x is in the solution set of 4x – 12 s 16 + 8x?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units