The angles of a triangle are in the ratio 5: 3: 7. The triangle is (a) an acute angled triangle (b) an obtuse angled triangle (c) a right triangle (d) an isosceles triangle
Solution Ratio of Angles = 5:3:7 Let common ratio ben. . Angles are su, in and ta . Sum of aules = 180° sutsuttu = 180° >> 15= 180° x=12° Angles are: n=36° 5 = 60° 72 = 84° Triangle is an obture angled triangle.
Recent Questions TO 96. Taj Mahal is greatly affected due to (1) tourists (2) acid rain (3) deforestation (4) noise pollution 49. a, b are the magnitudes of vectors to axb=0 the value of ā.b is 1) 2 ab 3) ab 4) alb 10. A gas expands in a piston-cylinder device from Vi to V2, the process being described by P = - + b Where P: Pressure and VCRCISES Cintages of selecting pea plant for experiment by Mendel between the following- nance and Recessive (b) homozygous an1172 all is with a mat t = 0 A ball is dropped from a high rise platform at tao starting from rest. After 6 seconds another bSingle Choice +4/-1 a/x*=30=31 «<2 2+1-Y b Y=2 =2 * -IN] «>2 X> 2 X-2 (I) denotes greatest integer function). If $(x) is cont1. A string is used to pull a block of mass m vertically up by a distance h at a constant acceleration The work done by the tThe hardest constituent of the tooth is- (1) Enamel (2) Dentine (3) Bone If the concentration of glucose (C6H120) in blood is 0.9 g L-', what will be the molarity of glucose in blood 1) 5 M 2) 50 M