Question

can u please help me find the answer for this quesion . plzzz step by step

Answer 1

Answer:

volume so generated is 36×22/7 or 36pie

Answer 2

Answer:

sides of Δ , 3 and 4 cm

area = 3×4 cm² =12cm²

∴ in rotating it along its hypotenuse  (5 cm) by 4° the area covered is

πr (3+4) ×(4/360)

[ r = ⊥r distance b/w the point of intersection of 3 and 4 cm side and the hypotenuse]

Step-by-step explanation: