Question

3 small multi choice questions of Right Triangles and the Pythagorean Theorem:

Answer 1

Qsn 1: Sin 45 = 7sqrt2/x
x=7srt2/sin45

Answer 2

help

Answer 3

which one should i choose?

Answer 4

sin 45=(sqrt2)/2 thus x=(7sqrt2*2)/sqrt2 = 7*2 = 14

Answer 5

I have worked it out to the end, but be sure to understand the concept of trigonometric ratios in order to be comfortable with questions similar to Qsn 1.