Problems

1 – 20 of 20

Problem Title Likes Solvers Difficulty

Problem 336. Similar Triangles - find the height of the tree

Created by: Bruce Raine

Tags multiplication, arithmetic, geometry

257

Problem 635. Angle between Two Vectors

Created by: Richard Zapor

Tags vectors, geometry, vector calculus

326

Problem 450. What is the distance from point P(x,y) to the line Ax + By + C = 0?

Created by: Bruce Raine

Tags distance, pythagoras, orthogonal

347

Problem 164. Right and wrong

Created by: the cyclist

Tags triangle

1189

Problem 381. Angle between two vectors

Created by: Aurelien Queffurust

Tags vectors, geometry, angle

583

Problem 768. Are all the three given point in the same line?

Created by: Reza Ahmadzadeh

Tags geometry, algebra

370

Problem 637. Volume of a Parallelepiped

Created by: Richard Zapor

Tags vector operators dot cross

265

Problem 330. Circumscribed circles

Created by: Alan Chalker

Tags geometry

335

Problem 1072. Television Screen Dimensions

Created by: @bmtran (Bryant Tran)

Tags plus15, aspect ratio, television

348

Problem 554. Is the Point in a Circle?

Created by: Kuifeng

Tags circle, poor_test_suite, poor_problem_statement

426

Problem 198. Are you in or are you out?

Created by: the cyclist

Tags polygon, basics, poor_test_suite

224

Problem 417. Covering area

Created by: Nikolai

Tags area, triangulation, geometrics

124

Problem 190. Great Circle Distance

Created by: @bmtran (Bryant Tran)

Tags distance, great circle, azimuth

124

Problem 392. Clock Hand Angle 1

Created by: @bmtran (Bryant Tran)

Tags math, clocks, fractions

175

Problem 833. Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed

Created by: Richard Zapor

Tags right-angled triangles, non standard methods, right-angle triangles

172

Problem 769. Calculate the area of a triangle between three points

Created by: Reza Ahmadzadeh

Tags math, triangle

2312

Problem 194. Clockwise or Counterclockwise

Created by: Alfonso Nieto-Castanon

Tags math, polygon

109

Problem 636. Spherical radius given four points

Created by: Richard Zapor

Tags geometry linear algebra, non-linear

137

Problem 193. Smallest distance between a point and a rectangle

Created by: Alfonso Nieto-Castanon

Tags math, distance

168

Problem 1103. Right Triangle Side Lengths (Inspired by Project Euler Problem 39)

Created by: @bmtran (Bryant Tran)

Tags projecteuler, plus15

1434

1 – 20 of 20

Difficulty Rating

Problem Groups

Difficulty Rating

Problem Groups

Problems

Problem 336. Similar Triangles - find the height of the tree

Problem 635. Angle between Two Vectors

Problem 450. What is the distance from point P(x,y) to the line Ax + By + C = 0?

Problem 164. Right and wrong

Problem 381. Angle between two vectors

Problem 768. Are all the three given point in the same line?

Problem 637. Volume of a Parallelepiped

Problem 330. Circumscribed circles

Problem 1072. Television Screen Dimensions

Problem 554. Is the Point in a Circle?

Problem 198. Are you in or are you out?

Problem 417. Covering area

Problem 190. Great Circle Distance

Problem 392. Clock Hand Angle 1

Problem 833. Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed

Problem 769. Calculate the area of a triangle between three points

Problem 194. Clockwise or Counterclockwise

Problem 636. Spherical radius given four points

Problem 193. Smallest distance between a point and a rectangle

Problem 1103. Right Triangle Side Lengths (Inspired by Project Euler Problem 39)