Find the common ratio of the geometric sequence 20,40,80
1 answer:
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Sometimes you just need to take a moment and really look for some hints that’ll help you. Rotate your page, maybe colour some lines.
Take a look at the picture, I coloured the lines and saw that the red and green angles are actually the same. And since the 90° angle is given, just subtract it from 140° to get your answer.
x = 50°
Take a look at the picture, I coloured the lines and saw that the red and green angles are actually the same. And since the 90° angle is given, just subtract it from 140° to get your answer.
x = 50°
Answer:
Area of ABD = 9/2 or 4.5cm^2
Step-by-step explanation:
Area of triangle =
plug-in ABD
Area of ABD = 9/2 or 4.5cm^2