Answer:
3
Step-by-step explanation:
8x-4=20
8x-4=20
+4. +4
8x=24
8. 8
x=3
Start with the small triangle on the right:
35 + 96 + x = 180
x = 49
Ah, you already have that. Nice!
Now move to the biggest triangle:
x + 77 + (35+y) = 180
but x = 49, so
49 + 77 + 35+y = 180
y = 19
Answer:
<h2>A = 3x²</h2>
Step-by-step explanation:
The formula fo an area of a triangle:

b - base
h - height
We have
x - base
6x - height
Substitute:

P a p a party party p q p w party
6 kilometers = 6000 meters
1 kilometer = 1000 meters
So, 1000 × 6