Hands-on math!

Washington State Math Olympiad
Hints and Solutions
2015 Grade 8 Geometry
Problem
1) In the diagram shown, what is the angle of VAB?

2) A data set consists of seven different positive whole numbers. The mean of the data is 76. What is the largest possible median of the data?

3) Rotate triangle XYZ 90 degrees clockwise (↷) about point Y. What will the translated coordinates of point Z be?)

Problem
4) A cylindrical block of wood with a radius of 2 units and height of 3 units is painted blue and then cut into six equal wedges. What is the ratio of painted to the unpainted surface areas? (Express your answer in the lowest terms and also in terms of )
5) Determine the total number of squares in the figure.