This is a right triangle. To find the length of the hypotenuse a^2 + b^2 = c^2.
21^2 + 18^2 = c^2
441 + 324 = c^2
765 = c^2
27.66 km
Answer:
A triangle congruence theorem is f two angles and the non-included side of one triangle are congruent to the corresponding parts of another triangle, the triangles are congruent.
Step-by-step explanation:
15.34/0.59 = 26 songs bought
28 free songs
so...
26+28 = 54 songs in total
Hope this helps :)