What are the values of a and b ?
A) a = 8, b = 2√17
B) a = 18, b = 2√17
C) a = 8, b = 8√17
D) a = 64, b = 68

Question

What are the values of a and b ? 
A) a = 8, b = 2√17
B) a = 18, b = 2√17
C) a = 8, b = 8√17
D) a = 64, b = 68

anonymous · Answer

attachment

anonymous · Answer

Using Pythagoras' theorem, i got that answer is A)
$$2^{2} =( 2\sqrt{17})^{2} - 8^{2}$$
$$2^{2}= 68 -64$$
$$4=4$$

anonymous · Answer

Thank you. could you help me with 2 more problems ?

anonymous · Answer

Sorry, i wish i could, but i really have to go now, and i will back in about 2 hours. I think to this time you will already have answers from other members :) But anyway i wish you good luck