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

253

Problem 635. Angle between Two Vectors

Created by: Richard Zapor

Tags vectors, geometry, vector calculus

319

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

340

Problem 164. Right and wrong

Created by: the cyclist

Tags triangle

1180

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

Created by: Reza Ahmadzadeh

Tags geometry, algebra

363

Problem 381. Angle between two vectors

Created by: Aurelien Queffurust

Tags vectors, geometry, angle

578

Problem 1072. Television Screen Dimensions

Created by: @bmtran (Bryant Tran)

Tags plus15, aspect ratio, television

338

Problem 637. Volume of a Parallelepiped

Created by: Richard Zapor

Tags vector operators dot cross

257

Problem 330. Circumscribed circles

Created by: Alan Chalker

Tags geometry

333

Problem 554. Is the Point in a Circle?

Created by: Kuifeng

Tags circle, poor_test_suite, poor_problem_statement

421

Problem 198. Are you in or are you out?

Created by: the cyclist

Tags polygon, basics, poor_test_suite

220

Problem 417. Covering area

Created by: Nikolai

Tags area, triangulation, geometrics

122

Problem 190. Great Circle Distance

Created by: @bmtran (Bryant Tran)

Tags distance, great circle, azimuth

120

Problem 392. Clock Hand Angle 1

Created by: @bmtran (Bryant Tran)

Tags math, clocks, fractions

171

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

168

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

Created by: Reza Ahmadzadeh

Tags math, triangle

2208

Problem 636. Spherical radius given four points

Created by: Richard Zapor

Tags geometry linear algebra, non-linear

133

Problem 194. Clockwise or Counterclockwise

Created by: Alfonso Nieto-Castanon

Tags math, polygon

105

Problem 193. Smallest distance between a point and a rectangle

Created by: Alfonso Nieto-Castanon

Tags math, distance

164

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

Created by: @bmtran (Bryant Tran)

Tags projecteuler, plus15

1344

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

Problem 381. Angle between two vectors

Problem 1072. Television Screen Dimensions

Problem 637. Volume of a Parallelepiped

Problem 330. Circumscribed circles

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 636. Spherical radius given four points

Problem 194. Clockwise or Counterclockwise

Problem 193. Smallest distance between a point and a rectangle

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