REVISION Flashcards

Mathematics (44 cards)

1
Q

What is the formula for the area of a rectangle?

A

Area = length × width

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2
Q

True or False: The perimeter of a square is calculated as 4 times the length of one side.

A

True

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3
Q

Fill in the blank: The volume of a cylinder is given by the formula ______.

A

Volume = πr²h

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4
Q

What is the term for a three-dimensional shape with flat surfaces?

A

Polyhedron

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5
Q

How do you calculate the circumference of a circle?

A

Circumference = 2πr

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6
Q

What is the area of a triangle with a base of 10 cm and a height of 5 cm?

A

Area = 25 cm²

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7
Q

True or False: A rhombus has four equal sides and opposite angles that are equal.

A

True

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8
Q

What is the formula for the surface area of a sphere?

A

Surface Area = 4πr²

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9
Q

Fill in the blank: The Pythagorean theorem states that in a right triangle, ______.

A

a² + b² = c²

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10
Q

What is the volume of a cube with a side length of 3 cm?

A

Volume = 27 cm³

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11
Q

What is the name of a polygon with eight sides?

A

Octagon

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12
Q

True or False: The diagonals of a rectangle are equal in length.

A

True

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13
Q

What is the formula for the area of a trapezoid?

A

Area = 1/2 × (base1 + base2) × height

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14
Q

Fill in the blank: The distance around a circle is called ______.

A

Circumference

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15
Q

What is the relationship between the radius and diameter of a circle?

A

Diameter = 2 × radius

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16
Q

What is the formula for the volume of a rectangular prism?

A

Volume = length × width × height

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17
Q

True or False: A circle has an infinite number of lines of symmetry.

A

True

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18
Q

What is the area of a circle with a radius of 7 cm?

A

Area = 154 cm² (using π ≈ 3.14)

19
Q

Fill in the blank: The height of a triangle is measured from the ______ to the base.

20
Q

What is the formula for the surface area of a rectangular prism?

A

Surface Area = 2lw + 2lh + 2wh

21
Q

What do you call a line segment that connects two points on a circle?

22
Q

True or False: All squares are rectangles.

23
Q

What is the formula for the area of a parallelogram?

A

Area = base × height

24
Q

Fill in the blank: The point where two lines intersect is called the ______.

25
What is the formula for the volume of a cone?
Volume = 1/3 × πr²h
26
What is the name of a triangle with all sides of different lengths?
Scalene triangle
27
True or False: The angles in a triangle always sum to 180 degrees.
True
28
What is the area of a sector of a circle with a radius of 6 cm and a central angle of 60 degrees?
Area = 12π cm² (or 37.68 cm² using π ≈ 3.14)
29
Fill in the blank: A line that touches a circle at exactly one point is called a ______.
Tangent
30
What is the formula for the area of a kite?
Area = 1/2 × d1 × d2 (where d1 and d2 are the diagonals)
31
True or False: A trapezoid has at least one pair of parallel sides.
True
32
What is the formula for the surface area of a cylinder?
Surface Area = 2πr(h + r)
33
What is the term for a line segment drawn from the center of a circle to a point on the circle?
Radius
34
Fill in the blank: The sum of the interior angles of a polygon with n sides is ______.
(n - 2) × 180 degrees
35
What is the formula for the volume of a sphere?
Volume = 4/3 × πr³
36
What is the name of a quadrilateral with opposite sides that are equal in length?
Parallelogram
37
True or False: The centroid of a triangle is the point where the three medians intersect.
True
38
What is the area of a rectangle with a length of 12 cm and a width of 4 cm?
Area = 48 cm²
39
Fill in the blank: A shape is said to be ______ if it can be folded along a line so that the two halves match exactly.
Symmetrical
40
What is the formula for the area of a regular polygon?
Area = 1/2 × Perimeter × Apothem
41
What is the name of a solid figure that has a circular base and a single vertex?
Cone
42
True or False: The base angles of an isosceles triangle are equal.
True
43
What is the formula for the perimeter of a triangle?
Perimeter = side1 + side2 + side3
44
Fill in the blank: The longest side of a right triangle is called the ______.
Hypotenuse