Triangles
Trending Questions
Q.
All the following are criteria for measuring the congruency of triangles except the _____.
SSS
ASA
SAS
AAA
Q. In a ΔABC, AB=10cm, BC=12cm, andAC=14cm. Find the length of median AD. If G is the centroid, find length of GA :
- 4√7, 83√7
- 10√3, 83√7
- 53√7, 59√7
- 5√7, 4√7
Q. In the triangle ABC, BC = CD and (∠ABC−∠BAC)=30∘. The measure of ∠ABD is :


- 30∘
- 45∘
- 15∘
- Can′t be determined
Q. Find the length of AC in right angled triangle ABC which has a circle inscribed in it, that touches the sides AB, BC and CA at D, E and F respectively, and has AD = 6 cm and BE = 5 cm.


- 41 cm
- 55 cm
- 44 cm
- 61 cm
Q. ABC is a triangle in which ∠CAB=80∘ and ∠ABC=50∘. AE, BF and CD are the altitudes and O (intersection point of AE, BF, and CD) is the orthocentre. What is the value of ∠AOB?


- 130∘
- 65∘
- 70∘
- 50∘
Q. From a point O in the interior of a ΔABC. Perpendiculars OD, OE and OF are drawn to the sides BC, CA and AB respectively, then which one of the following is true?
- AF2+BD2+CE2=OD2+OE2+OF2
- AF2+BD2+CE2=AE2+CD2+BF2
- AB2+BC2=AC2
- AF2+BD2+CE2=OA2+OB2+OC2
Q. In the adjoining figure, if AB, SC and TD are perpendicular to BD with the length indicated, then xy is equal to:


- pp+q
- qp
- pq
- qp+q
Q. In the figure, AD = 12 cm, AB = 20 cm and AE = 10 cm. Find EC:


- 14 cm
- 8 cm
- 15 cm
- 10 cm
Q. In the given figure, AD is the external bisector of ∠EAC, intersects BC produced to D. If AB = 12 cm, AC = 8 cm and BC = 4 cm, find CD.


- 10 cm
- 6 cm
- 8 cm
- 9 cm
Q. In the triangle ABC, MN is parallel to AB. Area of trapezium ABNM is twice the area of triangle CMN. What is ratio of CM : AM ?


- √3−12
- √3+12
- None of these
- 1√3+1