How many sides does a decagon have?
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- Dịch: Có bao nhiều đường chéo mà một đa giác 36 cạnh có.
Công thức tính số đường chéo : \(\frac{n\left(n-3\right)}{2}\) trong đó n là số cạnh của đa giác.
Cách chứng minh ( tham khảo bên web khác ):
Tại đây. Từ đó đáp án là : \(\frac{36.33}{2}=594\)
- Vậy ...
There are 4 rooms in my house
I have 10 pens
I have 2 brothers
My school has 3 floors
He goes to school at 7a.m
I get up at 6a.m
She washes her face at 8a.m
I brush my teeth at 10p.m
I have breakfast at 6.45
He does morning exercise at 6.30
1.many to much
2.much to many
3.pencil to pencils
4.are to is
5.does to do
6.has to have
7.sister many to many sister
8.there are to are there
9.there is to is there
tick nha
1 many => much
2 much => many
3 pencil => pencils
4 are => is
5 does => do
6 has => have
7 sisters many => many sisters
8 there are => are there
9 there is => is there
Giúp mik vs ạk😭
Mik có lm rùi mà chỉ sợ sai nên nhờ mọi người kiểm tra lại giúp mik vs ạk
Cảm ơn!!❤️
Sửa lỗi sai trong các câu sau
How much books are there on the table?
much ⇒ many
How many students is there in your school?
is ⇒ are
How many sugar do you have?
many ⇒ much
How much money do you mom have?
do ⇒ does
How many floors does your house has?
has ⇒ have
How much Coffee are there in the jug?
are ⇒ is
How many children does your parents have?
does ⇒ do
How much water are there in the swimming pool?
are ⇒ is
How much friends do you have?
much ⇒ many
How many peoples are there in your house?
peoples ⇒ people