# Year 10 math exam revision

Flashcards by cassiegrose21, updated more than 1 year ago
 Created by cassiegrose21 about 6 years ago
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### Description

Year 10 maths exam revision

## Resource summary

 Question Answer Pythagoras Therum What is it? Triangles Angles (right) Hypotenuse (long side of triangle) A+B=C Triangle names Scalene = all angles are different Isosceles = 2 sides the same Equilateral = All sides equal Finding the Hypotenuse (Long side of triangle) Finding the opposite (short side of triangle) Sides of triangle Pythagoras therum with 3D shapes Trigonometry What is it? SOH CAH TOA silly old Hagrid caught a hippogriff trotting over apples Finding the side lengths (on top) When the unknown is on the top we multiply Finding side lengths (unknown on bottom) When unknown is on bottom we divide Angles Acute = 0 to 90 degrees Obtuse = 90 to 180 degrees Reflex = 180 to 360 degrees Right angle 90 degrees Finding angles With calculator= shift, tan-1 ( - ) = Angle of elevation and depression Elevation = angle above the horizontal line Depression = angle below the horizontal line Working out angles of elevation Work out of depression Substitute values into equations Meanings of these algebraic expressions Sum = + difference = - product (multiplied) = x quotation = divide Create algebraic expressions (examples) the sum of a number and 7 = n+7 the difference between 9 and a number = 9-n the product (x) of a number and 4= n x n=4 Solving linear equations graphically and algebraically Finding the distance between 2 points on the Cartesian plane Graphing linear in equations

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