Answer:
A = bh/2
39 = b*3/2
39*2 = b*3/2 * 2
78 = b*3
78/3 = b*3/3
26 = b.
Alors, la grande base est 26 cm et le petit base serait 26/3 = 8.67 cm arrondi.
Answer:
Cos x = 
Tan x = 
Step-by-step explanation:
Sin x = 
So, Perp = 1 and hyp = 2
<em>Putting this in Pythagorean theorem to get the base</em>


base ² = 4-1
base² = 3
<em>Taking square root on both sides</em>
Base = 
Now
Cos x = 
Tan x = 
Answer:
6 in
Step-by-step explanation: