Problem 9 : A plate having shape of an isosceles triangle has base 50 mm long andaltitude 70 mm. It is so placed that in the front view it is seen as an equilateral triangle of50 mm sides and one side inclined at 45º to xy. Draw its top viewAn isosceles triangle can beseen as a equilateral triangle in Step 2:F.V. (equilateral Step 3: Incline a1’b1’ at 45º tothe F.V. only when its surface is triangle) is drawn first the H.P.inclined to VP. So for the firstview keep the plane // to VP,with 50 mm long edgeperpendicular to the HP. c1’ a’ a1’ a1’ c’ c1’ 50 b’ b1’ b1’ 45º 70 a1 b1 a.b c a.b c c1
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