Answer:
Step-by-step explanation:
4x - 25 = 75° (opposite angles)
4x= 75+25
4x= 100
x= 100/4= 25°
UNit rate is 3 equation:y=3x
A=1/2(a+b)h
A=1/2(2cm+4cm)6cm
A=1/2×6cm×6cm
A=18cm²