Connect the points where the first arc crosses the triangle's base and the second arc intersects the base of the triangle with the straightedge to create the triangle's third side, BC.
Generally, To accurately construct triangle ABC, you will need a straightedge (such as a ruler) and a protractor. Here are the steps to follow:
Use the straightedge to draw a straight line segment of length 8 cm, which will represent side AB. This line segment will be the base of the triangle.
Place the point of the protractor at one end of the line segment and draw an arc that intersects the other end of the line segment.
Measure the angle formed by the line segment and the arc using the protractor. The measure of this angle should be 70 degrees.
Without changing the position of the protractor, draw another arc that intersects the first arc and the base of the triangle.
Use the straightedge to connect the point where the second arc intersects the base of the triangle to the point where the first arc intersects the base of the triangle. This will form the third side of the triangle, AC.
Finally, use the straightedge to draw the third side of the triangle, BC, by connecting the point where the first arc intersects the base of the triangle to the point where the second arc intersects the base of the triangle.
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