An hour is 60 minutes so 80-60 = 20 so 1 hour and 20 minutes.
Answer:
bc = 5.8cm , A and B are :
Step-by-step explanation:
5²+3²
25+9
√(34
=5.8cm
A and B=( 180°-90°):2=45°
Answer:
Let R = radius of big circle
r=radius of small circle
A1=Area of small circle
A2=Area of big circle
R=9r
A1=50cm^2
A1=pi*r*2
A2=pi*R^2
A2=pi*(9r)^2
A2=81*pi*r^2
A2=81*A1
A2=4050cm^2
Hence the big circle has area of 4050cm^2
Step-by-step explanation:
X goes first then y meaning the first number will be x and the second would be y
