5 Questions
Which of the following is not a type of angle in Euclid's Geometry?
Straight
The sum of a rational number and an irrational number is always irrational.
True
If a and b are real numbers, what is the value of the expression (a + b)^2 - (a - b)^2?
4ab
The area of a triangle whose sides are a, b, and c is given by Heron's Formula as √[s(s - a)(s - b)(s - c)], where s is __________.
the semi-perimeter
Match the following polynomials with their degrees:
x^2 + 3x + 2 = 2 x^3 - 2x^2 + x - 1 = 3 x^4 - 4x^3 + 7x^2 - 2x + 1 = 4 x + 2 = 1
Take this test to assess your understanding of Chapter 1 Number System, Polynomials, Heron's Formula, and Euclid's Geometry concepts in 9th Class CBSE Math. 50 marks, 50 questions. Good luck!
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