From the length of the triangle 3 cm high, and the cm base?

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?