Construct triangle ABC in which/AB/=7cm,/AC/=9.5cm and B angle A C=120degree. Measure/BC/
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To construct triangle ABC, follow these steps:
Step 1: Draw a line segment AB of length 7 cm.
Step 2: Place the compass on point A and open it up to a radius of 9.5 cm. Draw an arc that intersects line AB.
Step 3: Without changing the compass width, place the compass on point B and draw an arc that intersects the arc drawn in step 2. Label this point of intersection as C.
Step 4: Draw lines AC and BC to complete the triangle.
Now, to measure the length of BC, you can use a ruler or a measuring tape. Place the ruler along side BC and measure the length between points B and C. This length represents the measure of segment BC.