WorksheetsGrade IX Maths Quiz on TRIANGLES
Total questions: 15
Worksheet time: 8mins
f E and F are the midpoints of equal sides AB and AC of a triangle ABC. Then:
BF = AC
BF =AF
CE= AB
BF = CE
In two triangles, ABC and PQR, ∠A = 30°, ∠B = 70°, ∠P = 70°, ∠Q = 80° and AB = RP, then which of the following is correct
ΔABC ≌ ΔPQR by SAS
ΔABC ≌ ΔQRP By RHS
ΔABC ≌ ΔRPQ by ASA
ΔABC ≌ ΔRQP by SSS
If ABC and DBC are two isosceles triangles on the same base BC. Then:
∠ ABD = ∠ ACD
∠ABD > ∠ACD
∠ABD < ∠ACD
None of the above
If AD is an altitude of an isosceles triangle ABC in which AB = AC. Then we get
BD>CD
BD<CD
BD=CD
None of the above
In the given figure, the congruency rule used in proving ∠ACD ≌ ∠ADB is
ASA
SAS
AAS
RHS
In the given figure, AD is the median then ∠BAD is
35°
70°
110°
55°
In a right triangle, the longest side is:
perpendicular
Hypotenuse
Base
None of these
Two sides of a triangle are of length 5 cm and 1.5 cm. The length of the third side of the triangle cannot be:
3.6 cm
4.1 cm
3.8 cm
6.9 cm
In the given figure, if the exterior angle is 135 then ∠P is:
45 degree
60 degree
80 degree
90 degree
In triangles ABC and PQR, AB = AC, ∠C = ∠P and ∠B = ∠Q. Th two triangles are:
Isosceles but not congruent
Isosceles and congruent
Congruent but not isosceles
Neither congruent nor isosceles
Two circles are congruent if they have same
chord
radius
arc
none of these
The measurement of each acute angle of a right angled isosceles triangle is
900
600
450
none of these
The point of concurrence of the medians of a triangle is called as
orthocentre
circumcentre
incentre
centroid
The orthocentre of an equilateral triangle divides each median in the ratio
1:2
1:3
2:3
none of these
Sum of the exterior angles of a triangle measures
1200
1800
3600
7200
