Answer:
5
Step-by-step explanation:
Let, the unknown side be x.
1/2 × 6.6m × xm = 16.5m²
or, x= 33/6.6
x= 5
Answer:
x = 26
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Sum the given angles and equate to 180
55 + 4x - 5 + x = 180, that is
50 + 5x = 180 ( subtract 50 from both sides )
5x = 130 ( divide both sides by 5 )
x = 26
Answer:
15ft
Step-by-step explanation:
the square root of 225 is 15, so the answer is 15ft
15×15=225
4136/8= 517
The others
7116/8=889.5
4309/8=538.625
9406/8=1175.75
