Karteikarten
Geometry
Karten in diesem Stapel (54)
- 1What do all angles in a triangle add up to?180
(a + b + c = 180) - 2What do all angles on a straight line add up to?180
(a + b + c = 180) - 3What do all angles in a quadrilateral add up to?360
(a + b + c + d = 360) - 4What do all angles around a point add up to?360
(a + b + c + d = 360) - 5What is the exterior angle of a triangle equal to?The sum of opposite interior angles
(a + b = d) - 6What is an isosceles triangle made up of?2 sides and angles which are the same
- 7What are Alternate angles?They are equal and are found in a "z-shape" between parallel lines
- 8What are Allied angles?They add up to 180 and are found in a "c or u-shape" between parallel lines
- 9What are corresponding angles?They are equal and found in a "f-shape" between parallel lines
- 10For any polygon, what is the sum of the exterior angles?360
- 11For any polygon, how do you find the sum of the interior angles?(number of sides - 2) x 180
- 12For regular polygons, how do you find an exterior angles?360
_____________
number of sides - 13For regular polygons, how do you find an interior angle?180 - exterior angle
- 14At what angle does a Tangent and a Radius meet?90
- 15What type of triangle do two radii form?Isosceles
- 16Where does a perpendicular bisector of a chord pass through?The centre of the circle
- 17The angle subtended at the centre of a circle is ____ the angle subtended at the circumference from the same two pointsdouble
- 18What angle does a triangle drawn two ends of a diameter where it hits the circumference create?90
- 19All triangles drawn from a chord will have the _____ ____ where they touch the circumference. Also, the two angles on opposite sides of the chord add up to ____same
angles
180 - 20What do opposite angles in a cyclic quadrilateral add up to?180
- 21Two tangents drawn from an outside point are always ____ ____, so creating an isosceles situation with two ____ right-angled trianglesequal
lengths
congruent - 22The angle between a ____ and a chord is always ____ to the angle in the ____ segment. This is known as the alternate _____ theoryTangent
equal
segment
segment - 23In a translation, the amount the shape moves by is given as a _____ . Where x is the ______ movement and y is the _____ movementVector
horizontal
vertical - 24What 3 details are used to describe a rotation?Angle of rotation
direction of rotation
centre of rotation - 25For reflection, you must give the ____ of the _____ lineequation
mirror - 26For enlargements, what two details are used to describe it?The scale factor
centre of enlargement - 27If the scale factor is bigger than 1, then the shape gets _____ If the scale factor is less than 1, then the shape gets _____ If the scale factor is negative, the shape in on the _____ side of the enlargement centrebigger
smaller
opposite - 28For a scale factor of n, how much bigger are the sides of a shape?n times bigger
- 29For a scale factor of n, how much bigger is the area of a shape?n² times bigger
- 30For a scale factor of n, how much bigger is the volume of a shape?n³ times bigger
- 31In terms of congruent triangles , what is SSS?three sides are the same
- 32In terms of congruent triangles , what is AAS?Two angles and a corresponding side are the same
- 33In terms of congruent triangles , what is SAS?Two sides and the angle between them are the same
- 34In terms of congruent triangles , what is RHS?A right-angle, the hypotenuse and another side are the same
- 35Two triangles are similar if, all the angles are the ____ , all 3 sides are ________ and any 2 sides are ________ and the angle between them are the ______Same
Proportional
Proportional
Same - 36List the 3 different types of projectionFront elevation
side elevation
plan - 37What is the formula for a triangle?1/2 x base x height
- 38What is the formula for the area of a parallelogram?base x vertical height
- 39What is the formula for the area of a trapezium?1/2 x (length a + length b) x height
- 40What is the equation for the area of a circle?πr²
- 41What is the equation for the circumference of a circle?πD or 2πr
- 42What is the equation for the area of a sector?∅
_______ x Area of circle
360 - 43What is the equation for the length of an arch?∅
_______ x circumference of circle 360 - 44What is the equation for the surface area of a sphere?4πr²
- 45What is the equation for the surface area of a cone?π x radius x slanted height + πr²
- 46What is the equation for the surface area of a cylinder?2πrh + 2πr²
- 47What is the equation for the volume for a prism?cross-sectional area x length
- 48What is the equation for the volume for a sphere?4
_____ x πr³
3 - 49What is the equation for the volume for a pyramid?1
____ x base area x height
3 - 50What is the equation for the volume for a cone?1
____ x πr²
3 - 51Density = ____ ÷ _______mass
volume - 52Speed = _____ ÷ ___distance
time - 53In a distance time graph, gradient = _____speed
- 54—
Informationen
- Beschreibung
- GCSE Maths (geometry and measures) Karteikarten am Geometry, erstellt von lizabeth rawson am 01/03/2020.
- Erstellt von
- lizabeth rawson
- Aufrufe
- 6
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