The diagram shows a right-angled triangle.
a
12 cm
24 cm
Find the size of angle x.

Given that , Length of Base and Hypotenuse is 12 cm and 24 cm , respectively .
Need To Find : The measure of Angle x .
As We know that ,
Cos ∅ = Base / Hypotenuse
ㅤㅤ By Substituting known Values :
ㅤ⤀Cos x = 12/24
ㅤ⤀Cos x = ½
ㅤ⤀Cos 60⁰ = ½
Therefore,