1. Line segment joining the mid point of any side with the opposite vertex is
(a) altitude
(b) median c) perpendicular bisector (d) angle bisector 2. The length of perpendicular drawn from the opposite vertex to any side is
(a) altitude (b) median
3. The point of intersection of all the altitudes of a triangle is
c) perpendicular bisector (d) angle bisector
(a) orthocentre (b) incentre c) circumcentre (d) centroid
4. The point of intersection of the perpendicular bisector of all sides of a triangle is
(a) orthocentre (b) incentre
c) circumcentre
(d) centroid
5. In a triangle, the angle opposite to the longest side is:
(a) greater than 60⁰
(c) greater than 90 degrees
(b) measure of 50 degrees
(d) none of these
6. The point of intersection of all the medians of a triangle is
(a) orthocentre (b) incentre
c) circumcentre
(d) centroid.
(b) 75 ^ 0
(b) 75 ^ 0
*...90^
(a) 30 degrees
7. In a triangle ABC,if 2 angle A=3 angle B=6 angle C then the measure of angle A is (a) 30 degrees (d) 60⁰ 8. In a triangle ABCif 2 angle A=3 angle B=6 angle C then the measure of angle B is
epsilon)90^ t
(d)60^ 0
9. In a triangle ABC, if 2 angle A=3 angle B=6 angle C then the measure of angle C is
(a) 30 degrees
(b) 75 ^ 0
c )90^ 0
(d)60^ c
10. In a triangle ABC, if angle A- angle B=33^ and angle B- angle C=18^ then the measure of angle A is (b) 55 ^ 0 (d)60^ c
(a) 88 degrees
c) 37 ^ 0
50^ ^ angle C=18^ . 11. In a triangle ABC, if angle A- angle B=33^ and ZBthen the measure of angle B is (a) 88 degrees (b) 55⁰ c) 37 ^ 0 (d)60^ c
12. In a triangle ABC, if angle A- angle B=33^ and angle B- angle C=18^ then the measure of angle C is
(a) 88 degrees
(b)55^ 0
c) 37 ^ 0
(d)60^ c
13. In a triangle ABC, if angle A+ angle B=65 and angle B+ angle C=140^ then the measure of angle A is (a) 40 degrees (b)25^ c) 115 ^ 0 (d) 60⁰
angle A+ angle B=65^ 0 s 14. In a triangle ABC, if and angle B+ angle C=140^ then the measure of angle B is (a) 40 degrees (b)25^ (d)60^ 0
15. In a triangle ABC,if angle A+ angle B=65^ and angle B+ angle C=140^ then the measure of angle C is
(a) 40 degrees
(b)25^
c)115^
(d)60^
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Answer:
C
P− Median; Q- Altitude; R−3; S−3
Medians : The line segment from any vertex of a triangle to the midpoint of its opposite side is called medians of triangle.
Altitude : The perpendicular drawn from a vertex to opposite side is called as altitude.
A triangle has 3 altitudes & 3 medians.
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Choose the coorect answer:
1) (d),2) (a) ,3) (a),4) (c),5) (c) ,6) (d),7) (a) ,8) (d) ,9) (a) ,10) (a), 11) (b), 12) (a), 13) (a), 14) (c) ,15) (c)
Step-by-step explanation:
1) (d) angle bisector
2) (a) altitude
3) (a) orthocentre
4) c) circumcentre
5) (c) greater than 90°
6) (d) centroid.
7) (a) 30°
8) (d) 60°
9) (a) 30°
10) (a) 88°
11) (b) 55⁰
12) (a) 88°
13) (a) 40°
14) (c) 115°
15) c) 115°
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