Answer:
57
Step-by-step explanation:
Angle IHK and JKH are alternate angles.
Alternate angles are equal
A standard piano has 88 keys on it
The answer is A. all sides are congruent hope this helps! :)
<h2>-CloutAnswers</h2>
Answer:
<h2>3 in</h2>
Step-by-step explanation:
The formula of a volume of a cube:

a - length of an edge
We have V = 27 in³. Substitute:
![a^3=27\to a=\sqrt[3]{27}\\\\a=3\ in](https://tex.z-dn.net/?f=a%5E3%3D27%5Cto%20a%3D%5Csqrt%5B3%5D%7B27%7D%5C%5C%5C%5Ca%3D3%5C%20in)
Area = 1/2 (sum of bases ) *h
40 *2 = (10+6)*h
80/16 = h
5 unit = h