Dua buah cermin datar X dan Y saling berhadapan dan membentuk sudut 60 derajat. Seberkas cahaya menuju X dengan sudut datang 60 derajat sehingga dipantulkan ke Y. Hitunglah sudut pantul dari cahaya yang meninggalkan Y

Explanation:

The text reads;

"The two flat mirrors X and Y face each other and form a 60-degree angle. One light goes to X with the angle coming 60 degrees until it is reflected Y. Calculate the angle of reflection of the light leaving Y".

the simple machine has three main features. they are:

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever