Question

Construct a DEF in which E = 120° , DE = 7 cm, EF = 6cm. Measure DF.

Answer 1

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• Draw DE=8cm

• With D as centre and radius =7.2cm, draw an arc at F.

• With E as centre, and radius =6.3cm, draw an arc at F.

• Join DF and EF

Hence, ΔDEF is

Answer 2

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ANSWER

Step 1: Draw DE=8cm

Step 2: With D as centre and radius =7.2cm, draw an arc at F.

Step 3: With E as centre, and radius =6.3cm, draw an arc at F.

Step 4: Join DF and EF.

Hence, ΔDEF is the required triangle.