Answer: 5
Step-by-step explanation: Sum of Angles = 900'. 6 right angles
= 540', leaving 360', which is impossible.
cross multiply the equation to give you
1= a(2bh+3)
divide both sides by a(2b+3)
answer is 1/2ab+3 = h
2/5ths divides by 3 and 1/10 is 0.129