Geometry

When two lines in a plane cross each other, they are called
1. Intersecting lines
2. Parallel lines
3. Perpendicular line
4. Concurrency
In this figure, AB, CD and PQ are concurrent lines and O is the point of
1. Intersection
2. Parallel
3. Perpendicular
4. Concurrency
When two lines cross each other at 90° .Such lines are called
1. Intersecting lines
2. Parallel lines
3. Perpendicular lines
4. Concurrency
Three or more lines in a plane are said to be
1. Concurrent
2. Parallel
3. Perpendicular
4. Intersecting lines
Which symbol is used to represent perpendicular?
1. ⊥
2. Parallel
3. Perpendicular
4. Intersecting lines
Lines in a plane that never meet are called
1. Intersecting line
2. Parallel
3. Perpendicular
4. Intersecting lines
The symbol to represent parallel lines
1. ⊥
2. ||
3. ∆
4. ∠
A line segment from a vertex to the midpoint of the side opposite that vertex
1. Centroid
2. Circumcentre
3. Median
4. Incentre
In the figure Median of ∆ABC is
1. AB
2. AM
3. AC
4. BM
In the figure, ABC is a triangle and AM is one of its medians. If BC = 7 cm, find the length of the side BM.
1. 3 cm
2. 3.5 cm
3. 4 cm
4. 4.5 cm
The point of concurrence of the three medians in a triangle is called its
1. Centroid
2. Circumcentre
3. Median
4. Incentre
Centroid denoted by the letter
1. S
2. G
3. I
4. C
Which serves as the Centre of gravity for any triangular lamina
1. Centroid
2. Circumcentre
3. Median
4. Incentre
The medians of a triangle divide it into three smaller triangles of
1. Equal area
2. Unequal area
3. Can be equal or unequal
4. None of these
In the figure G is the centroid of the triangle ABC. If AD = 9.3 cm then AG = ?
1. 6 cm
2. 6.2 cm
3. 3.1 cm
4. 3 cm
ABC is a triangle and G is its centroid. if AD = 15 cm, BC = 8 cm and the perimeter of ∆BDG = 15 cm then find the BG = ?
1. 4 cm
2. 5 cm
3. 6 cm
4. 7 cm
Altitude of a triangle also known as the
1. Height of triangle
2. Width of triangle
3. Base of triangle
4. None of these
In ∆ABC, S is the circumcentre, BC = 8 cm and DS = 3 cm. Find the radius of its circumcircle.
1. 6 cm
2. 7 cm
3. 4 cm
4. 5 cm
The point of concurrence of the three angle bisectors of a triangle is called as its
1. Centroid
2. Circumcentre
3. Incentre
4. Angle bisector
The circumcentre of an acute angled triangle lies in the
1. Interior of the triangle
2. Exterior of the triangle
3. Midpoint of the triangle
4. None of these
The circumcentre of an obtuse angled triangle lies in the
1. Interior of the triangle
2. Exterior of the triangle
3. Midpoint of hypotenuse
4. None of these
The circumcentre of a right triangle lies at the
1. Interior of the triangle
2. Exterior of the triangle
3. Midpoint of hypotenuse.
4. None of these
In triangle PQR, PS is a median and QS=5.5 cm, then find QR?
1. 2.75 cm
2. 3 cm
3. 11 cm
4. 16.5 cm
In right triangle ABC, AB = 5 cm and AC = 13 cm then find the BC value?
1. 5 cm
2. 10 cm
3. 12 cm
4. 18 cm
Area of Rhombus
1. 1/2 × d₁ × d₂ sq.units
2. d₁ × d₂ sq.units
3. l × b
4. a²
If d₁ = 8 cm and d₂ = 2 cm then find the area of Rhombus
1. 4 cm
2. 5 cm
3. 8 cm
4. 16 cm
Find area of Rhombus
1. 41.3 cm
2. 49 cm
3. 20.65 cm
4. 34.81 cm
Find area of Rectangle
1. 7.5 cm
2. 9 cm
3. 25 cm
4. 15 cm
Find the area of Square
1. 4 cm
2. 8 cm
3. 16 cm
4. 32 cm