Answer:
its the first one.
The area is 28.27cm²
Step-by-step explanation:
82*
10x+8 = 12x-10
18 = 2x
X=9
Angle 1 = 98*
Angle 3 = 98*
180 - 98* = 82*
s
a 8 parts b 8 3|4 = 3×2|4×2=b|8
