17 Multiple Choice 1 point Molly is designing a new drone for the Air Force. The drone is supposed to be 30 feet long and 4 feet tall. She is building a prototype for testing that will be 12 feet long. How tall should the prototype be? 90 feet 3.2 feet 10 feet 1.6 feet Previous

14. Find the radius of a hemisphere of volume \( 80 \mathrm{~cm}^{3} \)

4] (a) If the points \( A(1,4), B(-1,-2) \) and \( C(2,-3) \) are vertices atriangle, prove that.. \( \triangle A B C \) is right angled at \( B \), and find its area

Find the area of a parallelogram \( A B C D \) whose bese \( B C \) is 27 cm and altitude \( A E \) is 8 cm . If the lengh of the altitude \( A F \) to the base \( C D \) is 12 cm . Find \( C D \).

An equilateral triangle it's perimeter equals 27 cm , then it's side length is......

3.4.1 What type is triangle \( A B C \) ?