Sorry i forgot to set the last questions as fifty points. same quesion as before radius, height, and lateral area

i belive those are the ones that are under 90 degreese.

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,