Answer:
x = 8
Step-by-step explanation:
since the triangle is isosceles then the 2 legs are congruent, that is both 4x - 3
the perimeter is the sum of the 3 sides , that is
x + 4x - 3 + 4x - 3 = 66
9x - 6 = 66 ( add 6 to both sides )
9x = 72 ( divide both sides by 9 )
x = 8
Answer:
56
Step-by-step explanation:
20+50+70+80+30+60+20+70+70+90= 560
560 divided by 10= 56
Answer:
if u are looking for the value of x then it's 6
Not. They are not similar they are regular I think so