Answer:13cm
Step-by-step explanation:
Answer:
45
Step-by-step explanation:
a = 78/20=45
The prime factors of 63 in ascending order is 3,3,7
Answer:
72
Step-by-step explanation:
The pythagorean theorem states that in a right triangle A^2 + B^2 = C^2 where A and B are the two smaller sides and C is the hypotenuse.
Because of this, in this triangle 30^2 + B^2 = 78^2
Which means B^2 = 5184
And B = 72