(b) A solid metal cone has radius 1.65 cm and slant height 4.70 cm. Calculate the volume of the cone.

12.5

Step-by-step explanation:

use pythag to find perpendicular height

then from that your answer should be 4.40cm

2.2°  

step-by-step explanation:

let θ = the angle of elevation.

tanθ =77/2020

tanθ = 0.038 12

      θ = tan⁻¹0.038 12

      θ = 2.2°

answer

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step-by-step explanation: