The diagram shows a sketch of triangle $DEF$.

Draw the triangle accurately and measure the angle $DFE$.

In triangle $PQR:$

$QR=50 mm$, $\mathrm{angle} PQR=120° \mathrm{and} \mathrm{angle} PRQ=25°$

Draw the triangle $PQR$ accurately.

In triangle $PQR:$

$QR=50 mm$, $\mathrm{angle} PQR=120° \mathrm{and} \mathrm{angle} PRQ=25°$

Measure the length $PR$. Give your answer in millimetres.

Construct a triangle with sides measuring $5.2 \mathrm{cm}, 3.7 \mathrm{cm} \mathrm{and} 4.5 \mathrm{cm}$.

Construct a triangle $ABC$with angle $ABC=90°, AC=5 cm$ and $AB=3.5 cm$.

Explain why it is not possible to draw a triangle with sides measuring $6 cm, 3 cm$ and $2 cm$.

Draw the perpendicular bisector of line segment.

Draw the perpendicular bisector of line segment.

Construct the bisector of angle below.