Question
O is the circum centre of the isosceles ∆ ABC. Given
that AB = AC = 5 cm and BC = 6 cm. The radius of the circle isSolution
Use PGT in ∆OBD r2 - (4 – r)2 = 9 (r+4-r)(r-4+r) = 9 4(2r – 4) = 9 2r – 4 = 9/4 2r = 9/4 + 4 = 25/4 r = 25/8 => 3.125 cm
More Geometry Questions
- Which letter-cluster will replace the question mark (?) in the following series?
RGV, UME, ?, AYW, DEF - Which letter-cluster will replace the question mark (?) in the following series?
NPQR, OORQ, PNSP, ____, RLUN - A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.
57, 59, 56, 61, 54, ___ - Select the number from among the given options that can replace the question mark (?) in the following series.
17, 18, 22, 31, 47, ___ - Which letter and number cluster will replace the question mark (?) to complete the given series?
LT6, KU12, IW24, FZ48, ____
Relevant for Exams:
