mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Two triangles

Source: Maths Jam
The three sides of this triangle have been split into three equal parts and three lines have been added.
What is the area of the smaller blue triangle as a fraction of the area of the original large triangle?

Show answer & extension

If you enjoyed this puzzle, check out Sunday Afternoon Maths XL,
puzzles about area, or a random puzzle.

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021

Advent calendar 2020


List of all puzzles

Tags

symmetry cards chess arrows shapes angles coins unit fractions axes fractions doubling triangles folding tube maps differentiation squares sport combinatorics dodecagons geometric mean christmas pentagons speed crossnumber binary clocks functions routes determinants books rugby trigonometry even numbers pascal's triangle probabilty tangents 2d shapes integration triangle numbers lines multiples remainders parabolas circles perimeter algebra matrices shape cryptic clues averages multiplication taxicab geometry grids perfect numbers sequences tiling mean geometry dates digital products scales partitions surds cryptic crossnumbers chalkdust crossnumber polynomials hexagons median spheres elections sum to infinity prime numbers floors ellipses gerrymandering consecutive numbers the only crossnumber games quadratics balancing dominos calculus logic decahedra digits number digital clocks sets area probability chocolate indices geometric means proportion quadrilaterals wordplay crosswords irreducible numbers factors people maths complex numbers sums tournaments means graphs palindromes planes money percentages division ave regular shapes colouring expansions odd numbers 3d shapes volume albgebra cubics integers star numbers polygons dice cube numbers menace crossnumbers time square numbers products range square roots addition numbers factorials coordinates advent bases rectangles consecutive integers

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2024