Answer:
Value of blank 1 is 2
Value of blank 2 is 10
Explanation:
We are given that a and b are the lengths of legs of right angle in right angled triangle .
b = 3
We are also given that c is the hypotenuse
c = hypotenuse = 7
To find the value of 'a' we will use Pythagoras theorem

Value of blank 1 is 2
Value of blank 2 is 10