REVISION Flashcards
Mathematics (44 cards)
What is the formula for the area of a rectangle?
Area = length × width
True or False: The perimeter of a square is calculated as 4 times the length of one side.
True
Fill in the blank: The volume of a cylinder is given by the formula ______.
Volume = πr²h
What is the term for a three-dimensional shape with flat surfaces?
Polyhedron
How do you calculate the circumference of a circle?
Circumference = 2πr
What is the area of a triangle with a base of 10 cm and a height of 5 cm?
Area = 25 cm²
True or False: A rhombus has four equal sides and opposite angles that are equal.
True
What is the formula for the surface area of a sphere?
Surface Area = 4πr²
Fill in the blank: The Pythagorean theorem states that in a right triangle, ______.
a² + b² = c²
What is the volume of a cube with a side length of 3 cm?
Volume = 27 cm³
What is the name of a polygon with eight sides?
Octagon
True or False: The diagonals of a rectangle are equal in length.
True
What is the formula for the area of a trapezoid?
Area = 1/2 × (base1 + base2) × height
Fill in the blank: The distance around a circle is called ______.
Circumference
What is the relationship between the radius and diameter of a circle?
Diameter = 2 × radius
What is the formula for the volume of a rectangular prism?
Volume = length × width × height
True or False: A circle has an infinite number of lines of symmetry.
True
What is the area of a circle with a radius of 7 cm?
Area = 154 cm² (using π ≈ 3.14)
Fill in the blank: The height of a triangle is measured from the ______ to the base.
Vertex
What is the formula for the surface area of a rectangular prism?
Surface Area = 2lw + 2lh + 2wh
What do you call a line segment that connects two points on a circle?
Chord
True or False: All squares are rectangles.
True
What is the formula for the area of a parallelogram?
Area = base × height
Fill in the blank: The point where two lines intersect is called the ______.
Vertex