A, b, c and d are consecutive natural numbers and a^3 = b^3 + c^3 + d^3 the least value of 'a' is?

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's

Answer d; a supplementary angle = 180°, so if that angle = 150°, y would = 30°.