If the length of a median of an equilateral triangle is x cm, then its area is
1) x² 2) Ö3x² / 2 3) x² / Ö3 4) x² / 2
From the given figure , find out what is AC : AB.
1) 2 : 3 2) 5 : 3 3) 3 : 2 4) 3 : 5
If TP and TQ are two tangents to a circle with centre O so that angle POQ = 110° then angle PTQ is equal to
1) 60° 2) 80° 3) 70° 4) 90°
To draw a pair of tange nts to a circle which are incline d to e ach othe r at an angle of 45° it is re quire d to draw tange nts at the e nd point of those two radii of the circle , the angle be twe e n which is :
1) 105° 2) 135° 3) 145° 4) 70°
A square and an equilateral triangle have equal perimeters. If the diagonal of the square is 1272 cm, then area of the triangle is
1) 24Ö2 cm² 2) 24Ö3 cm² 3) 48Ö3 cm² 4) 64Ö3 cm²
In the given figure , triangle s ABC and DEF are similar. The are a of triangle ABC is 9 sq. cm and the are a of triangle DEF is 16 sq. cm. If BC = 2.1 cm find the length of EF.
1) 4.9 cm 2) 6.8 cm 3) 2.8 cm 4) 9.4 cm