△RST≅△FED
HF is the side that needs to be congruent because that is the base of the triangle in both
Answer:
X= 78
Step-by-step explanation:
180-115=65 that's one of the angles
and the other one is 360-323=37
and add the two angles together = 102
then finally 180-102=78 and that's it
Answer:
no, not proportional
Step-by-step explanation:
set up a proportion and see if cross-products are equal:
8/3 = 14/6
cross-multiply:
(8)(6) ≠ (14)(3)
48 ≠ 42
Answer:
b. 6|x|
Step-by-step explanation:
√(36x²) = √36√(x²)= 6|x|
Because √ from the number can be only positive.