AB intersects CD at point E. What is the value of X in degrees?
1 answer:
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recall, congruence means "an exact replica", size, color, smell, feathers, paws, the whole lot, stock and barrel.
recall, congruence means "an exact replica", size, color, smell, feathers, paws, the whole lot, stock and barrel.
Answer:
∠°
Step-by-step explanation:
- The cosine of an angle is equal to the side adjacent to the angle over the hypotenuse, the longest side.
- With this in mind:
- We need to find the hypotenuse of this triangle. This is relativly easy to do with a right triangle; we can just use the Pythagorean Theorem.
- Pythagorean Theorem:
where
,
, and
are the 3 different sides of a right triangle.
- Our hypotenuse is
. Now we can finish solving for ∠
.
∠°