Saturday

December 20, 2014

December 20, 2014

Posted by **Greg** on Friday, February 18, 2011 at 11:12pm.

- 9th grade math -
**drwls**, Saturday, February 19, 2011 at 7:34amWhat part of the triangle is 31 cm? The perimeter? Side 3?

- 9th grade math -
**Aravind**, Wednesday, February 23, 2011 at 11:43am3rd side= 2x 1st side(shorter)

1st side=2nd side

2x+2x=31

4x=31

x=31/4=7.75

3rd side= 2*x-1

2*7.75-1= 14.5

1st side and 2nd side= 14.5

3rd side=2cm

Ans. 14.5cm, 14.5cm, 2cm

**Answer this Question**

**Related Questions**

9th grade - the perimeter of a triangle is 31 cm. sides #1 and #2 have epual ...

8th grade math - the first side of a triangle measures 3 cm longer then the ...

8th grade - Please help me how you get the answer. PLEASE I NEED HELP. A ...

ALGEBRA - The perimeter of a triangle is 76 centimeter. The second side is twice...

math - 2m shorter than twice side b and side c 3m longer than side b find the ...

math - The perimeter of a triangle is 26 c,. Side a of the triangle is 3 cm ...

math - the perimeter of this hexagon is 162 cm. each longer side measures 1cm ...

Algebra - reposting - still need help / direction - the perimeter of a triangle ...

math - The length of the second side of a triangle is 24 cm shorter than twice ...

Algebra - the perimeter of a triangle is 25 inches. The first side is 6 inches ...