Answer:
First = b. 5√3
Second = a. 6√2
Third = a. 14
Explanation:
First question
in triangle ABD
AB = 10 inches
BD = 10/2 = 5 inches
angle B = 60*
so,
tan 60* = AD/5
AD = 5√3 inches
Second question
sin 45* = 6/x
1/√2 = 6/x
x = 6√2
Third question
given that,
triangle TRG is a right angle triangle
so, RT^2 + RG^2 = TG^2
RT^2 = 22^2 - 17^2
RT^2 = 195
RT = 14 ( approx)