Math, asked by mtahanafis65451, 10 months ago

Using ruler and compass only, construct a ΔABC such that BC = 5 cm and AB = 6.5 cm and ∠ABC = 120°


htoothawlin: How do you find the angle if you don't use a protractor?
htoothawlin: Wait nevermind

Answers

Answered by htoothawlin
2

Answer:


Step-by-step explanation:

Draw a line that is 5cm that is B to another point.

Then use the compass and measure 5cm and draw from B and from the other point, making it an equilateral triangle, which every angle is 60 degrees.

Then make another equilateral triangle, letting you have 120 degrees, so join one of the 5 cm from B and make it C.

Using the compass again, make it 6.5 cm and draw it from B, then extend out the side of the equilateral triangle, and make the point A. Then join A and B together, making a triangle.

:)

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