Can somoene help me with this question please
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
for y
take 30 degree as reference angle using sin rule
sin 30=opposite/hypotenuse
1/2=9/y (do cross multiplication)
2*9=y
18=y
for x
using pythagoras theorem
a^2+b^2=c^2
9^2+x^2=18^2
81+x^2=324
x^2=324-81
x^2=243
x=
x=9
Answer:
Option A
Step-by-step explanation:
we know that
The perimeter of the rectangle is equal to
we have
-----> equation A
substitute the value of L in the equation A
Find the perimeter