2x+3=7
2x+3-3=7-3
Whenever moving a number to the other side you have to change the sign .
2x= 4
x=2
⇒ s = a+b+c2=5+12+132 a + b + c 2 = 5 + 12 + 13 2 = 15 cm.
Area of the base = √s(s−a)(s−b)(s−c)
= √15×10×3×2 15 × 10 × 3 × 2 cm2 = 30 cm2
Answer:
-8,-7
Step-by-step explanation:
I think
Well, 1x5=5 and 2x5=10 so 3x5=15
A transversal intersects two parallel lines, given that the lines are on the same plane.
