A triangle can have three acute angles. 

Each of the angles of a triangle can measure less than $60°$.

Identify the following sentence is true or false? Explain why? "No triangle can have two right angles".

Find the value of $x$ from the following figure. 

Find the value of $x$ from the following figure.

Construct a triangle $△ABC$, such that $AB=5.4 \mathrm{cm}, AC=5 \mathrm{cm} \mathrm{and} \mathit{\angle }A=45°$.

Construct a $△ABC$, such that $BC=4.8 \mathrm{cm}, AB=5.7 \mathrm{cm} \mathrm{and} \mathit{\angle }B=120°$.

Construct a triangle $\mathit{△}ABC$ such that $AB=6 \mathrm{cm}, BC=4.8 \mathrm{cm} \mathrm{and} CA=5 \mathrm{cm}$.

Construct a triangle $△ABC$ such that $AB=5.8 \mathrm{cm}, BC=5.8 \mathrm{cm} \mathrm{and} AC=4 \mathrm{cm}$.