Answer:
Step-by-step explanation:
we know that
In this problem
The value of x represent the radius of the circle
so
Applying the Pythagoras theorem in the right triangle of the figure, you can find the radius of the circle O
see the attached figure to better understand the problem
square root both sides
Given: (a) and (b)
.
To find: The expanded form of the given expressions.
(c) (using
)
(d) (using
)
(e) (using
)
(f) (using
)
(g) (using
)
(h)
⇒ (using
)
⇒ (using
)
(i)
⇒ (using
)
⇒ (using
)
(j)
⇒ (using
)
⇒ (using
)
(k) (using
)
(l) (using
)
(m) (using
)
(n) (using
)
(o) (using
)
(p) (using
)
(q) (using
)
(r) (using
)
(s) (using
)
(t) (using
)