87 the to you do why try ice
1275 ÷ 9775= 0.1304% or 0.13%
Answer: 
Step-by-step explanation:
The formula for area of a triangle is 
Now we have to isolate for w.
First multiply by the 2 which is the reciprocal of 1/2 to cancel it out.

Now divide by h to isolate w.
The equation for area of a triangle is A= 1/2bh so a=1/2(12cm)(9.6cm)
Answer:
please type out question as unclear to see :)