...c' cos 2C. Maximum Marks 300 GEOMETRY. Tuesday, 1st September, 1908. 9.30 a in. to 12 noon. Marks. 1. The angles at the base of an isosceles triangle are equal, and if 25 the equal sides are produced the exterior angles so formed are also equal. tan 71° 34' -...

...supposed difficulty to beginners, to the fifth proposition of the first book of Kuclid, that the angles at the base of an isosceles triangle are equal to each other. PONS STTBLI'CITJS (Lat., bridge of piles, from pans, bridge, -4- nublica, stake, pile). The earliest...

...the following six propositions, proved them deductively and thus made geometry a subject for study: ( 1 ) The angles at the base of an isosceles triangle are equal. (2) If two straight lines cut one another vertically, opposite angles are equal. (3) A triangle is...

...product of two alegbraical quantities has the positive or negative sign. C. 15. Prove that the angles at the base of an isosceles triangle are equal to each other, and if the equal sides be produced, the angles on the other side of the base are also equal. If equal...