An orange square and a blue rectangle with two congruent inscribed circles. What is the angle α?
Tag: angle
Fair and square
Two squares of which three vertices form an isosceles triangle. What is the angle α?
The golf ball
A circle and a triangle with two sides tangent to the circle and a side connecting the tangency points. The line segment of the circle centre to the triangle apex is shown. Prove that α = β.
Égalité
A square with its diagonal and a circle. If red is equal to blue, what’s the angle α?
The bungee cords
Three squares and two line segments. What’s the angle α?
The pentagon attack
Two regular pentagons and two diagonals. What’s the angle α?
Lean on me
Two squares and two diagonals. Prove that the angles α and β are equal.
Twin balls
A semicircle with two inscribed circles tangent to an altitude. What’s the angle α?
The French kiss
Two tangent circles and two red tangent line segments. The three tangency points are shown. What is the angle β in terms of the angle α?
The Gouda cheese
A quarter circle with two inscribed squares. What’s the angle α?