Cho tam giác ABC , có AM là trung tuyến ứng với BC . Trên cạnh AB lấy điểm D và E sao cho AD=DE=EB . Đoạn CD cắt AM tại I . Chứng minh : a, EM song song với DC
b, I là trung điểm của AM
c, DC = 4DI

isi

step-by-step explanation:

use that smart brain

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4

c. side angle side. u shares the same sides

the answer is:

the answer is:

to solve the problem, we need to remember the quotient of power property, it's defined by the following relation:

if we have a quotienf of powers that have the same base, we need to keep the same base and subtract the exponent of the denominator power to the exponent of the numerator power.

so, we are given the expression:

then, calculating we have:

hence, the answer is:

have a nice day!