Length 8 cm and width 4 times more, find the area.
| December 21, 2020 | education
length = 8cm
the width is 4 times greater.
1) first, find the width
let length = x cm then width = 4x cm
let’s make a proportion:
8 cm-x
? cm-4x
8 * 4x = x *?
32x =? X
? = 32x / x
? = 32 cm
2) area formula S = a * b (length * width)
S = 32 * 8 = 256 cm ^ 2
Answer: S = 256 cm ^ 2
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
