mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Pole position

Two poles stand vertically on level ground. One is 10 feet tall, the other 15 feet tall. If a line is drawn from the top of each pole to the bottom of the other, the two lines intersect at a point 6 feet above the ground. What's the distance between the poles?

Show answer & extension

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

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2025

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2026