國中 解答

下列對於相似形的敘述,何者正確?

如下圖,△ABC中,∠B=90°,且AB=20,BC= 15。若D、E、F分別為AB、AC、BC的中點,則 △DEF的周長為

如下圖,BD與CE相交於A點,且BC//DE,AB=8, BC=10, AC=6, AD=6,則△ABC~△ADE的理由應為

若x:6:9 =6:9:y,求x、y之值

將五邊形ABCDE縮放60%後得到一五邊形PQRST,其中A、B、C、D、E的對應點分別為P、Q、R、S、T。若AB=6、BC=7、CD=8、DE=9,∠A=80°、∠B=90°、∠C=100°、∠D=110°,則ST的長度與∠T的度數分別為?

設a:b=2:3,a:c=7:5,求a:b:c=?

如下圖,AE與BD相交於C點,AB=12、BC=6、 AC=8、CD=16、CE=12,則DE=?

you want to lose weight.

read it to us.

My family and I ___31.___in our new house for a year

Dear Ms. Chen, fiction, have they? I'm writing to you about my neighbor next door. He has

never feel ______ with his show.

Has Ivy finished her report? Yes, she ______. public.

Hulk ______ five books since his teacher asked him to do the science report.

legal 合法的

Don’t _____ the answer from your classmates. You need to do it by yourself.

Has Ivy finished her report? Yes, she ______.

Paul ______ lunch, but her sisters haven’t.

That’s not a good _____ to skip the breakfast if you want to lose weight.

I haven’t tried it. Kimmy took out the letter from the _____ and read it to us.

Was the boy tall ______ to get the ball from the tree?

interesting; bored They have _______ felt tired of reading science fiction, have they?

Went abroad The students are so excited ____ they dance in public.

藉由現今海岸線與十年前舊海岸線的關係,可得知最近這十年來發生的哪一 項事實?