Which equation could be used to solve for the length of side c, given a =5, b = 12, and C= 72°? 8
A
b
INot drawn to scale)
Oc? - 5+12- 215)(12)cos 72
c? - 5+12° +2(5)(12)cos 72
67-57-12-2(5)(12)cos 72
c? - 5-12 +2(5)(12)cos 72°

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?