circle problem

 

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— Math Lover (@GeometryPuzzles) June 20, 2022

Area Puzzle

 

 

Square area

 

Source: @SWCHS_Maths

 

 

 

 

 

Circle in the triangle

 

Resource: New Scientist

 

Goat Inside a Square Barn

Source and answer: Quanta 

 

Proving the Pythagorean Theorem

 

Image credits: https://cd1.edb.hkedcity.net/cd/maths/en/ref_res/MATERIAL/MSS_e/Exemp21.pdf and https://www.history-of-mathematics.org/artifacts/zhoubi-suanjing-pythagorean-theorem-proof

Cylinder from A4

 

Seven Circles

 

Square in the square

 

Source: Brilliant

 

Unit Circles

Rich Tasks 77: Triangles that have their perimeters and areas equal

further info here

Problem 136: Circle Task

Problem 126: A Beautiful similarity Problem

from @_WTProject

The fraction of the regular hexagon that is shaded is 5/24. What is the ratio red:orange?

Problem 123: Squares

The side lengths of the three squares are consecutive integers. What’s the total area?

Source Catriona Shearer

Problem 119: Hypotenuse

Problem 101: Circle in the Triangle

Source: @ariya_7213

Problem 99: Yellow Circle Question

source Diego Rattagi

Problem 96: Which is Greater?

Which colored area is the largest? Green, yellow or orange?

 

 

Problem 95: Find the unshaded area

The circles in the rectangle are identical. Using coordinates, find the unshaded area inside the rectangle. Coordinates given belong to centre of the full circle.

Problem 93: Triangle or Square?