Mathrax vs Angle Puzzle

Mathrax is a logic puzzle. The goal is to fill in each cell with numbers from 1 to N, where N is the size of the puzzle's side. No number may appear twice in any row or column. Circles with additional conditions may appear on intersections of lines inside the grid. - A number and a sign of mathematical operation (addition, subtraction, multiplication, division) - a number is a result of an operation execution with numbers in diagonally adjacent cells. - A letter "E" ("even") - all numbers in four cells are even. - A letter "O" ("odd") - all numbers in four cells are odd. **** Mathrax features **** # Content - 6 different sizes of board - 5 difficulty levels - more than 500 levels # Features - Highlight wrong number automatically - Autosave the process of unfinished levels - Record best completion time for each level # Challenge - Game Center Achievements - Try to complete as many levels as possible

Find the missing angle hidden in each diagram. Angle Puzzle is a geometry puzzle game about combining the properties of shapes. Explore triangles, parallel lines, regular polygons, congruence, inscribed angles and tangents. A different view of the diagram can reveal the next step. 320 PUZZLES, FOUR LEVELS Start with simple angle relationships and work toward problems that combine several ideas. There are 76 puzzle structures, with questions you can select and solve at your own pace. HELP THAT MAKES THE REASONING CLEAR Use three stages of hints and illustrated answers and explanations. Draw notes directly on the diagram to record angles or sketch an extra line. The illustrated guide and geometry mini dictionary help you revisit useful properties. BUILD A SHAPE COLLECTION Each puzzle you clear for the first time gives you one collection piece. Ten pieces complete a card. Discover all 32 geometric cards as their artwork appears piece by piece. A CALM PLACE TO THINK There are no timers or lives. Save favorites, resume where you left off, and switch music or sound effects on or off. The interface, puzzles and explanations support nine languages. Contains ads. For an unsolved puzzle, watching one rewarded ad unlocks all of that puzzle's hints, answer and explanation. Ads require an internet connection. Progress is stored on your device; no account is required.