the triange is 31cm, side 1 and side 2 have equal lenghts, while side 3 is one centimeter shorter than twice then length of side 1, how long is each side?
2 answers
What part of the triangle is 31 cm? The perimeter? Side 3?
3rd 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
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
2 answers