Question

What is the length of leg s of the triangle below?
459
872
90+
45
A. 8
B. v
C. 8-12
D. 4.2
E. 1
F. 2

Answer 1

Answer:

option A

Step-by-step explanation:

take 45 degree as reference angle

using sin rule

sin 45 = opposite / hypotenuse

$\frac{1}{\sqrt{2} }$ = s/$8\sqrt{2}$

$\frac{1}{\sqrt{2} } *8\sqrt{2}$ = s

root 2 and root 2 gets cancel

8 = s