Show that among the interior angles of a convex polygon there cannot be more than three acute angles.
Weekly Problem 15 - 2012
How many of the five properties can a heptagon have?
Weekly Problem 27 - 2013
The diagram shows a parallelogram inside a triangle. What is the value of $x$?
Weekly Problem 29 - 2013
An equilateral triangle is drawn inside a rhombus, both with equal side lengths. What is one of the angles of the rhombus?
Weekly Problem 27 - 2007
Ten stones form an arch. What is the size of the smallest angles of the trapezoidal stones?
This LOGO Challenge emphasises the idea of breaking down a problem into smaller manageable parts. Working on squares and angles.
More Logo for beginners. Learn to calculate exterior angles and draw regular polygons using procedures and variables.
Turn through bigger angles and draw stars with Logo.
Follow instructions to fold sheets of A4 paper into pentagons and assemble them to form a dodecahedron. Calculate the error in the angle of the not perfectly regular pentagons you make.
