SOLUTION: The isometric sides of an isosceles triangle are 2 dm longer than one-fifth of its base. Knowing that its perimeter is 10.30 dm, what are the dimensions of this triangle?

Question 1173110: The isometric sides of an isosceles triangle are 2 dm longer than one-fifth of its base.
Knowing that its perimeter is 10.30 dm, what are the dimensions of this triangle?
Found 2 solutions by Boreal, ikleyn:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
the base is 5x
the sides are x+2
the perimeter is 2(x+2)+5x=10.3 dm
2x+4+5x=10.3
7x=6.3
x=0.9 dm
The base is 4.5 dm
each side is 2.9 dm

Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.

In Geometry, the term "congruent sides" is used.

The term "isometric sides" is not used in Geometry.

RELATED QUESTIONS
the base of an isosceles triangle and one of its legs have lengths that are consecutive... (answered by checkley71)
The base of a triangle is 4 dm longer than the altitude, and its area is 16 dm^2. Find... (answered by josgarithmetic,MathTherapy)
Each equal side of an Isosceles 3 1/2 inches longer than the base ,the perimeter of the... (answered by Theo)
The base of an isosceles triangle is 30cm less than one of its sides. If the perimeter is (answered by lwsshak3)
The base of an isosceles triangle is 12 cm longer than each of its equal legs. a second... (answered by ankor@dixie-net.com)
The base of an isosceles triangle is 3 less than twice the length of one of its sides... (answered by Fombitz)
Each of the two congruent sides of an isosceles triangle is 4 cm longer than half the... (answered by stanbon)
An isosceles trapezoid has a perimeter of 85 inches. Its shorter base measures 10 inches... (answered by macston)
The equal sides of an isosceles triangle are 6m longer than the base. If the perimeter of (answered by subudear)