As shown in the diagram below, AABC - A DEF, AB=14, BC=4, DE=7, and EF = X

Mathematics

1 answer:

MArishka [77]2 years ago

4 0

Answer:

EF=4

Step-by-step explanation:

vì diện tích bằng nhau và bằng 28 áp dụng công thức tính diện tích

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