Answer:
C
Step-by-step explanation:
Its C
Answer:7.5
Step-by-step explanation: cause I looked it up lol
Answer:
J and L
Step-by-step explanation:
Use pythagora's theorem to test if it is a right triangle
c^2 = a^2 + b^2
65^2 = 52^2 + 43^2
4225 = 2704 + 1849
4225 =/= 4553
therefore it is not a right triangle as it does not comply to pythagora's theorem