Area Flashcards
(10 cards)
What is the definition of Surface Area?
The amount of space an area takes up
Units are always squared.
What is the formula for the area of a rectangle?
A = L x W
Calculate the area of a rectangle with length 10 cm and width 13 cm.
A = 130 cm²
What is the formula for the area of a circle?
A = πr²
Calculate the area of a circle with a radius of 7 mm.
A = 153.86 mm²
What is the Pythagorean Theorem?
a² + b² = c²
If c = 7 cm and a = 1 cm, how do you find b using the Pythagorean Theorem?
b² = c² - a²
What is the value of b if c = 7 cm and a = 1 cm?
b = 5.74 cm
What is the formula for the area of a rectangle if the base is 4 cm and height is 5.24 cm?
A = 20.96 cm²
What is a net in geometry?
The result of unfolding a 3D object