marbo1
02.04.2021 •
Mathematics
Solve by graphing. Round each answer to the nearest tenth.
x2 − 7x = 11
A: −1.6, 8
B: −1.3, 8.3
C: 1, −8
D: 1.3, −8.3
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Ответ:
The correct option is ΔABC ≅ ΔFED by SAS
Step-by-step explanation:
Looking at the given diagram,
Side AC = Side DF = 3.2
Side AB = Side FE = 4 units
Angle A = angle F = 72 degrees
Since two sides and one angle are equal, then triangle FED = triangle ABC by SAS(side angle side)
This makes the ratios possible
AB/FE = AC/DF
The HL given means hypotenuse leg. It will not hold because the triangles are not right angle triangles.