Answer: 15 cm to the highest total ; amount of triangles: 25
Step-by-step explanation: for the height just add 3 cm until you reach the top, which will give you 15 cm
for the amount just count them and for the top top layer count up to 9, which will give you 25 triangles.
8 * (x/2 + 3/4 ) = 8 * ( x/8 )
Number of solutions found: 1
x1=-2
Answer:
I think it's D
Step-by-step explanation:
