## anonymous 4 years ago find the missing dimension (triangle) h=x+2 b=2x+8=??????? help sorry im a mom with no clue on geometry

1. Directrix

2. anonymous

well, what are you trying to calculate for? area?

3. anonymous

the area of a triangle

4. anonymous

|dw:1328150876475:dw|

5. Directrix

Please label h and b. Is the triangle right?

6. anonymous

sorry i have never done this before yes triangle how do i label

7. Mertsj

Just put the letters on the picture where they belong.

8. anonymous

|dw:1328151063274:dw|

9. Mertsj

So is it a right triangle?

10. anonymous

yes

11. Mertsj

$A=\frac{1}{2}bh$

12. Mertsj

$A=\frac{1}{2}(2x+8)(x+2)$

13. Mertsj

$A=(x+4)(x+2)$

14. Mertsj

$A=x^2+6x+8$

15. Mertsj

do you understand what I did?

16. anonymous

no im tryin now

17. Mertsj

Where did you get lost?

18. anonymous

the foil right

19. Mertsj

yes

20. anonymous

ok let me try

21. Mertsj

ok. 1 trial granted

22. anonymous

ok i got the same thing now how do i get the answer or is that the answer

23. Mertsj

24. anonymous

ok how would you do a square root?

25. Mertsj

Post it.