The area of a triangle is 456 sq.cm and its height is 24 cm. The length of its base is
(A) 32
(B) 34
(C) 36
(D) 38
O is the incentre of ∆ABC and ∠A = 30° then ∠BOC is
(A) 100°
(B) 105°
(C) 110°
(D) 90°
Find the value of ∠BAC in the given diagram If AB=AC=CD and ∠ADB=20°?
(A) 50°
(B) 105°
(C) 45°
(D) 100°
If the ratio of the measurements of the three angles of a triangle is 2: 3: 4, then the measurement of its largest angle is.
(A) 40°
(B) 60°
(C) 80°
(D) 120°
Δ ABC is a right angled triangle whose angle A is right angled. Which side needs to bisect to form two other right angled triangles?
(A) AB
(B) BC
(C) AC
(D) None of these
In ΔABC, AB = AC and ∠B = 40 °, find the value of ∠A.
(A) 40°
(B) 100°
(C) 80°
(D) 10°
If the ratio of the measurement of the four angles of a quadrilateral is 1: 2: 3: 4, then the measurement of its smallest angle is-
(A) 120°
(B) 36°
(C) 100°
(D) 18°
A circle touches a quadrilateral ABCD. Find the true statement: -
(A) BD=AC
(B) AB +BC=CD+AD
(C) AB+BC=AC
(D) AB+CD=BC+AD
If one angle is half of its complementary angle, find that angle.
(A) 30°
(B) 60°
(C) 180°
(D) 120°
Two circle X and Y with centres A and B intersect at C and D. If area of circle X is 4 time area of circle Y, then AB=?
(A) 5r
(B)
(C) 3r
(D)
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