## 150 Reputation

9 years, 302 days

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## @Rouben Rostamian  Thank you!...

@Rouben Rostamian  Thank you!

Coordinates  B(...?,...?) ,M(...?,...?) ,D(....?,...?)

Sorry :

Let $\triangle ABC$ be an isosceles triangle and $\angle BAC$=$20^\circ$, take point $D$ is on $AC$ such that $AD$ $=$ $BC$. Find $\angle ABD$= ?

## @Kitonum  Thank you...

@Kitonum  Thank you

## @Kitonum  Thank you!!!...

@Kitonum  Thank you!!!

## 1009...

I am sorry but i don't understand so Could you do more clearly?

## 1009...

I am sorry but i don't understand so Could you do more clearly?

## 25^2+24^2...

I think that  24^2+24*23=1128.

wrong or right ?

## 25^2+24^2...

I think that  24^2+24*23=1128.

wrong or right ?

## Counting trees...

I am sorry but i don't understand so Could you do more clearly?

## Counting trees...

I am sorry but i don't understand so Could you do more clearly?

## linear system...

I am sorry but i don't understand so Could you do more clearly?

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