Q.1
In ΔABC and ΔDEF, if ∠A = 50°, ∠B = 70°, ∠C = 60°, ∠D = 60°, ∠E = 70° and ∠F = 50°, then
Q.2
The centroid of a triangle is G. If area of ΔABC = 72 sq. unit, then the area of ΔBGC is?
Q.3
An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is:
Q.4
If ABC and PQR are similar triangles in which ∠A = 47° and ∠Q = 83°, then ∠C is: triangles mcq solution 1
Q.5
The orthocenter of a triangle is the point where?
Q.6
Possible length of the sides of a triangle are:
Q.7
Length of the sides of a triangle are a, b and c respectively. If a2 + b2 + c2 = ab + bc + ca then the triangle is:
Q.8
Three sides of a triangle are 5 cm, 9 cm and x cm. The minimum integral value of x is:
Q.9
Which of the set of three sides can't form a triangle?
Q.10
In a triangle ABC, if ∠A + ∠C = 140° and ∠A + 3∠B = 180°, then ∠A is equal to:
Q.11
Given that the ratio of altitudes of two triangles is 4 : 5, ratio of their areas is 3 : 2, the ratio of their corresponding bases is :
Q.12
In a ΔABC, If 2∠A = 3∠B = 6∠C, then the value of ∠B is:
Q.13
∠A + $$\frac{1}{2}$$ ∠B + ∠C = 140°, then ∠B is :
Q.14
The equidistant point from the vertices of a triangle is called its:
Q.15
In ΔABC, ∠B = 70° and ∠C = 30°, AD and AE are respectively the perpendicular on side BC and bisector of ∠A. The measure of ∠DAE is:
Q.16
If the three angles of a triangle are: $${\left(x + 15 \right)^ \circ },$$   $${\left({\frac{{6x}}{5} + 6} \right)^ \circ }$$  and $${\left({\frac{{2x}}{3} + 30} \right)^ \circ }$$   then the triangle is:
Q.17
Let ABC be an equilateral triangle and AX, BY, CZ be the altitudes. Then the right statement out of the four given responses is
Q.18
In a triangle, if three altitudes are equal, then the triangle is
Q.19
If in a triangle, the orthocentre lies on vertex, then the triangle is
Q.20
Taking any three of the line segments out of segments of length 2 cm, 3 cm, 5 cm and 6 cm, the number of triangles that can be formed is:
Q.21
If the incentre of an equilateral triangle lies inside the triangle and its radius in 3 cm, then the side of the equilateral triangle is
Q.22
If the circumcentre of a triangle lies outside it, then the triangle is
Q.23
The orthocentre of a right angled triangle lies
Q.24
ABC is an equilateral triangle. Points D, E and F are taken as the mid-point on sides AB, BC, AC respectively, so that AD = BE = CF. Then AE, BF, CD enclosed a triangle which is:
Q.25
In a ΔABC, BC is extended upto D; ∠ACD = 120°, ∠B = $$\frac{1}{2}$$ ∠A, then ∠A is:
Q.26
The side BC of a triangle ABC is proceed to D. If ∠ACD = 112° and ∠B = $$\frac{3}{4}$$ ∠A, then the measure of ∠B is:
Q.27
Let ΔABC and ΔABD be on the same base AB and between the same parallels AB and CD. Then the relation between areas of triangles ABC and ABD will be
Q.28
G is the centroid of ΔABC. If AB = BC = AC, then measure of ∠BGC is:
Q.29
ΔABC is similar to ΔDEF. If the sides of ΔABC, that is AB, BC and CA, are 3, 4 and 5 cms respectively, what would be the perimeter of the ΔDEF, if the side DE measures 12 cms ?
Q.30
In ΔABC and ΔPQR, ∠B = ∠Q, ∠C = ∠R. M is the midpoint on QR, If AB : PQ = 7 : 4, then $$\frac{{{\text{area}}\,\left( {\vartriangle ABC} \right)}}{{{\text{area}}\,\left( {\vartriangle PMR} \right)}}$$   is :
Triangles mcq question image
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