20cm + 15cm= 35 triangles
<h3>The answer is option A.</h3>
Step-by-step explanation:

Can be written as

Which is the same as

But

So we have
5(1) = 5
Hope this helps you
Answer:
6.1414
Step-by-step explanation:
The ten-thousandth is in the fourth place after the decimal point, then add the rounding rule, (4 or lower, do nothing. 5 and up, round up) and you get 6.1414
0.06x+0.09 (1200-x)=96
Solve for x
X=400 at 6%
1200-400=800 at 9%