Subject: Mathematics
Book: Maths Mastery
Rectangles form the basis of countless geometric and real-life applications, from plotting out rooms to determining the surface area of rectangular objects. The area formula is A = length × width. For example, a 12 m by 8 m rectangle has an area of 96 m². This simple calculation underlies more complex designs, such as floor plans or packaging materials. Grasping rectangular area helps you swiftly compute how much paint to buy for a wall or how large a garden bed is, making it indispensable in practical problem-solving.
A sum triples in 20 years at simple interest. What is the rate of interest per annum?
View QuestionThe sum of the reciprocals of two numbers is 1/4. If one number is 12, what is the other?
View QuestionThe area of an equilateral triangle with side length 6 cm is:
View QuestionIf sin(A) = 1/2 and A is acute, what is the value of A?
View QuestionA cone has a base radius of 7 cm and height of 24 cm. What is its volume?
View QuestionWhat is the LCM of 15 and 20?
View QuestionWhat is the sum of all even numbers between 1 and 100?
View QuestionThe angles of a quadrilateral are in the ratio 3:4:5:6. What is the largest angle?
View QuestionWhat is the greatest common divisor (GCD) of 36 and 48?
View QuestionIf 3x = 81, what is the value of x?
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