3 Questions
In the equation 2x + 5 = 15, what is the value of x?
10
What is the value of π (pi) approximately equal to?
3.14
What is the sum of interior angles of a triangle?
180 degrees
Study Notes
Solving for x
- To solve for x in the equation 2x + 5 = 15, subtract 5 from both sides, resulting in 2x = 10, then divide both sides by 2, yielding x = 5.
Mathematical Constants
- π (pi) is approximately equal to 3.14.
Geometry
- The sum of interior angles of a triangle is 180 degrees.
Test your knowledge of 7th standard math with this 2nd unit test paper. Answer questions about the value of π, sum of interior angles of a triangle, and solving equations. Brush up on your math skills and see how well you can score!
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