The middle terms, if four different numbers are in proportion are called _____.
The vertices of DABC are A(4, 6), B(1, 5) and C(7, 2). A line is drawn to intersect sides AB and AC at D and E respectively such that
Find the area of ΔADE.
A7/2 sq. units
B11/3 sq. units
C12 sq. units
DNone of these
Multiplying a negative integer for even number of times gives a _____ result.
D Both (A) and (B)
A right cone and a hemisphere lie on opposite sides of a common base of 2.5 m diameter and the cone is right angled at the vertex. If a cylinder circumscribe them in this position, approximate what additional space will be enclosed?