If D is midpoint of BC and area (ΔABC) = 20 sq.unit then area (Δ ABD) =
40 sq. units
10 sq. units
5 sq. units
20 sq. units
Consecutive angles of a parallelogram are
Supplementary
Complementary
Equal
None of these
ABCD is a cyclic quadrilateral ∠A : ∠C = 3 : 2 ∠B : ∠D = 4 : 1 then ∠D =
30o
36o
45o
90o
Quadrilateral formed by joining the midpoints of any quadrilateral is always
a rectangle
a square
a rhombus
a parallelogram
In the given figure, D is midpoint of ΔABC. If ar ΔABC = (2x2 - 2)units, then ar ΔABD =
(x - 1)2
(x + 1)2
2(x - 1) (x + 1)
(x + 1) (x - 1)
Quadrilateral formed by joining the midpoints of a rhombus is
Rhombus
Square
Rectangle
The length of the complete circle is called its
Radius
Diameter
Circumference
If M is the midpoint of hypotenuse PR of a right angled triangle PQR right angled at Q then.
MP = MR
MQ = MR
MQ = MP
All of these
If BD = 12 cm, AL = 6 cm and CM = 4 cm. Then area (ABCD) =
60 sq.cm
30 sq.cm
90 sq.cm
120 sq. cm
The central angle of arc ABC is 220o ∠ABC is
60o
65o
70o
75o
