Question

Find a. Give your answer in

the simplest form.
[?]
a
zva
d
а
45
30
b
с

Answer 1

a=7

Explanation:

7(sq rt 2)=(sq rt 98)

sin 45=a/(sq rt 98)

0.7071=a/(sq rt 98)

a=0.7071(sq rt 98)

a=7

Answer 2

a = 7
45 45 90 triangles are x x and x sqrt(2) so a is 7