Slide 1 : Geometry – Mensuration – I (Basics)
Slide 2 : Q1. Parallel Lines a e
b f
c g
d h
Value of b + h?
Slide 3 : Answer is 180.
Slide 4 : Q2. In an isosceles triangle, if two sides are 6 & 12, what is the length of the third side?
Slide 5 : Answer is 12
Slide 6 : Q3. Right Triangle R
6
S 8 T
Length of RT?
Slide 7 : Answer is 10
Slide 8 : Area ABC = ? Q4. Area of a triangle
Slide 9 : Answer is 20
Slide 10 : Q5. Area of a quadrilateral BD is parallel to AC
Area of ABCD = ?
Slide 11 : Answer is 80.
Slide 12 : Q6. In a triangle 3 angles are a,b,c (integers) and a >b > c, what is the maximum value of a?
Slide 13 : Answer is 177
Slide 14 : Q7. In a triangle 3 angles are a,b,c (integers) and a >b > c, what is the minimum value of a?
Slide 15 : Answer is 3. ×
Answer is 61.
Slide 16 : Q8. If the radius of the circle is 1, what is the side of the inscribed square?
Slide 17 : Answer is 2
Slide 18 : Q9. If the volume of a sphere is divided by its surface area, the result is 27 cm. The radius of the sphere is
Slide 19 : Answer is 81 cm.
Slide 20 : Q10. Calculate the area of triangle ABC where AB is the diameter of a circle of radius 5 and C is on the perimeter of that circle at a distance of 6 units from B.
Slide 21 : Answer is 24.
Q11. A rectangular solid has sides 3, 4 and 8. What is its surface area & volume? : Q11. A rectangular solid has sides 3, 4 and 8. What is its surface area & volume?
Slide 23 : Answer is 136 & 96.
Q12. A circle has its circumference numerically equal to its area. What would be the cube of the radius of the circle? : Q12. A circle has its circumference numerically equal to its area. What would be the cube of the radius of the circle?
Slide 25 : Answer is 8
Slide 26 : Q13. The sides of two cubes are 6.3 cm & 8.4 cm respectively. What is the ratio of their surface areas and their volumes?
Slide 27 : S.A. - 9 : 16
Vol. - 27 : 64.
Q14. If the diagonal of a rectangle is 78 and its breadth is 30, what is the area of the rectangle? : Q14. If the diagonal of a rectangle is 78 and its breadth is 30, what is the area of the rectangle?
Slide 29 : Answer is 2160.
Q15. An interior angle of a regular polygon is 162. What is the number of sides of the polygon? : Q15. An interior angle of a regular polygon is 162. What is the number of sides of the polygon?
Slide 31 : Answer is 20.
Q16. A person goes 8 mts east, takes a right turn and moves 13 mts, then takes a left turn and moves 15 mts, then takes a right turn and moves 2 mts and finally he takes a right turn, moves 3 mts. and reaches Q. Find the minimum distance between P & Q. : Q16. A person goes 8 mts east, takes a right turn and moves 13 mts, then takes a left turn and moves 15 mts, then takes a right turn and moves 2 mts and finally he takes a right turn, moves 3 mts. and reaches Q. Find the minimum distance between P & Q.
Slide 33 : Answer is 25.
Slide 34 : THANK YOU