Cho tam giác ABC vuông tại A, đường phân giác BD (D € AC) biết độ độ cạnh AB=6, BC=8

a, tính tỉ số AD trên CD

b, hạ đường cao AH, chứng minh AHB đồng dạng CHA

Giúp mình!

Make sentences from words or phrases give

1 she/realize /her/a clock/ not/go off

2 he/study /english /for five years

3 have/pages /appear /computer screen

Complete the sentences so that they have the same meaning as the first one

1 tom has just bought a new book

A new book. ..

2 you should do morning exercise

Morning exercise ...

3 the rope is longer than the snake

The snake is not ...

4 they built this school twenty years ago

This school...

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