Unit-4: Geometry

(a) Lines and angles

(b) Triangles and its angles, congruent triangles

(c) Inequalities in a triangle, mid-point theorem and pythagorus theorem

Q1. Is it possible to construct a triangle from sides 3 cm, 2 cm, and 7 cm ?

(a) Yes,right triangle (b) Yes,acute triangle (c) Yes,obtuse triangle (d) No triangle possible

Q2. The difference of any two sides of a triangle is less than the third side.

(a) some time true (b) always true (c) false (d) can't say

Q3. AB, AC and BC are the sides of a triangle, FC, BE and AD are the altitudes of a triangle. then

(a) AB + AC + BC = FC + BE + AD. (b) AB + AC + BC > FC + BE + AD.
(c) AB + AC + BC < FC + BE + AD. (d) None of these

Q4. In the given figure, If x is greater than y by (1/10)^th of a right angle . find the value of x.


(a) 95⁰ (b) 85⁰ (c) 65⁰ (d) 75⁰

Q5. Medians of an equilateral triangle are equal .

(a) True (b) False (c) Can't say

Q6. Sum of linear pair angles are equal to

(a) 120⁰ (b) 180⁰ (c) 60⁰ (d) 90⁰

Q7. (i) Transvarsal line intersect two or more line at distinct point .
(ii) Always equidistant from one another and never intersect.
which statement is/are correct ?

(a) only (i) (b) only (ii) (c) both (d) none

Q8. In the triangle , the side opposite to the larger angle is longer.

(a) True (b) False (c) None of these

Q9. Sum of co-interior angle is __________.

(a) supplementary (b) complementary (c) right angle (d) none of these

Q10. (i) Alternate interior angles are equal.
(ii) Alternate exterior angles are equal .
which statement is true ?

(a) only (i) (b) only (ii) (c) both (d) none