Answer:
Step-by-step explanation:
x-13≤15
x≤28
Step-by-step explanation:
the explanation is above
Take key note of the dots bcz some are coloured and some aren't
Area of circle is πr^2
Diameter is given =20 cm
Radius r=d/2=20/2=10cm
A=3.14×100
A=314 cm^2