
According to given figure, The Triangle BDC is a right angled Triangle (Angle D = 90°)
So, we can apply Pythagoras theorem to find the Side a (Hypotenuse)
Now, let's solve ~
Therefore, Length of side a is 5 units ~
Answer:the mean is 90
Step-by-step
you find the sum of the values then divide them by the amount of numbers in the set
Answer:
72 cm i think
Step-by-step explanation:
19+19+10+10+7+7
The sum of these numbers is an even number and it is prime.
Therefore it is not an odd number and is not a composite number.