1.The length of 3 sides of a triangle are, 6cm, 8cm and 10cm. The length of the median to the greatest side is then, (a)
(a)5cm
(b)8cm
(c)4.8cm
(d)6cm
2.In isosceles triangle △FGH, FG<3 cm and GH=8cm. Then the correct relation is, (a)
(a)GH=FH
(b)GH<FH
(c)GF=GH
(d)FH>GH
3.If the median drawn on the base of a triangle is half its base, the triangle will be, (c)
(a)acute-angled
(b)obtuse-angled
(c)right-angled
(d)equilateral
4. There are two regular polygons with the number of sides in the ratio of 4 : 5 and the interior angles in the ratio of 25 : 26. The number of sides in the first polygon are (c)
(a) 8
(b) 10
(c) 12
(d) 15
5. Let ABCDEF be a regular hexagon. What is the ratio of the area of the triangle ACE to that of the hexagon ABCDEF? (b)
(a) 1/3
(b) 1/2
(c) 2/3
(d) 5/6