3 Questions
Which formula is used to find the area of a triangle when the lengths of all three sides are known?
Heron's formula
What is the equation of a straight line in coordinate geometry?
$y = mx + b$
What is the solution to the linear equation $2x + 3y = 12$?
$x = 3y$
Test your knowledge on triangle properties, lines and angles, coordinate geometry, linear equations with two variables, number systems, and Heron's formula with this quiz for 9th graders.
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