Triangle DEF is rotated 180 degrees about the origin to form triangle D'E'F'.What are the coordinates of the vertices of triangl
e D'E'F'?
D' (–1, –4); E'(–2, –1); F'(–1, –5)
D' (4, 1); E'(1, 2); F'(5, 1)
D' (1, –4); E'(2, –1); F'(5, –1)
D' (4, –1); E'(1, –2); F'(1, –5)
D' (–1, –4); E'(–2, –1); F'(–1, –5)
D' (4, 1); E'(1, 2); F'(5, 1)
D' (1, –4); E'(2, –1); F'(5, –1)
D' (4, –1); E'(1, –2); F'(1, –5)
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Answer:
To find the answer consider that this is a right triangle and we can use the tangent function in order to find the value of x
remember the acronym soh cah toa.
to use the tangent function we divide the opposite and adjacent side that is what the oa stands for in toa
setting it up looks like this
tan 72° =
solving for x gives us x= 8×tan 72°
which is about 24.62
Step-by-step explanation: