Answer:
-2232
Step-by-step explanation:
Answer:
74cm
Step-by-step explanation:
length (l) = 28cm
breadth(b) = 9cm
Perimeter = 2(l + b)
= 2(28 + 9)
= 2 x 37
= 74cm
Can you explain what the question is asking?
Answer:
78.6km/h
Step-by-step explanation:
<em><u>Speed=distance÷time</u></em>
<u>distance</u>=21km
<u>time</u>=16 minutes<u>(convert into hour by dividing it</u> <u>with 60)</u>
=16÷60=0.267
Speed=21÷0.267=78.65km/h