Geometry

Question 1 of 10

Each interior angle of a regular pentagon is

Question 2 of 10

A rectangular sign measures 1.2 m by 0.5 m. What area of acrylic sheet is needed?

Question 3 of 10

A cycloid is traced by

Question 4 of 10

The circumference of an ellipse is approximated by π(a + b) for small eccentricity. For a = 50 mm and b = 30 mm this gives about

Question 5 of 10

To bisect a line, you draw arcs from each end that are

Question 6 of 10

The path traced by a point on the rim of a wheel rolling along a straight line is

Question 7 of 10

A cycloid is generated by a circle of radius 20 mm rolling one revolution. The base length is about

Question 8 of 10

An ellipse drawn by the trammel method requires the lengths of the

Question 9 of 10

Inscribing a circle in a triangle requires bisecting the

Question 10 of 10

To construct a 60° angle, you can use