Math 9 Chapter 9 Introduction to Coordinate Geometry-2

Math 9 Chapter 9 Introduction to Coordinate Geometry-2

1. If the lengths of all the three sides of a triangle are same then the triangle is called?

a) Isosceles
b) Scalene
c) Equilateral
d) Right angle

2. ....... is a triangle which has two of its sides with equal length while third side has different length?

a) Acute triangle
b) Isosceles triangle
c) Right angle triangle
d) None

3. A triangle in which one of the angles has measure equal to ...... degree is called a right angle triangle?

a) 45
b) 360
c) 90
d) 180

4. A triangle is called a ...... triangle if measures of all three sides are different?

a) Isosceles
b) Equator
c) Right angle
d) Scalene

5. If lengths of all four sides are equal and measure of each angle is 90 degree is called?

a) Parallelogram
b) Rectangle
c) All are true
d) Square

6. A figure formed in the plane by four non-collinear points is called a rectangle if?

a) Its opposite sides are equal in lengths
b) None
c) Both are true
d) The angle at each vertex is of measure 90 degree

7. A figure formed by four non-collinear points in the plane is called a parallelogram if?

a) Opposite sides are parallel
b) Opposite sides are equal in lengths
c) All are true
d) Measure of none of the angles is 90 degree

8. R(x,y)=. R(x₁+x/2, y₁+y₂/2) shows?

a) Line formula
b) Mid-point formula
c) Point formula
d) Distance formula

9. Mid-point of A(2,5) and B(-1,1) is?

a) (2,3)
b) (1/2,3)
c) (5,12)
d) (3,2)

10. A square is formed by ....... non-collinear points?

a) 3
b) 2
c) 1
d) 4

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