Question

1. Observa as figuras seguintes e determina o valor de x.

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Answer 1

1.1

$\boxed{\boxed{\mathtt{x=\dfrac{60^{\circ}}{2}=30^{\circ}}}}$

1.2

$\boxed{\boxed{\mathtt{x=\dfrac{40^{\circ}}{2}=20^{\circ}}}}$

1.3

$\boxed{\boxed{\mathtt{x=\dfrac{80^{\circ}}{2}=40^{\circ}}}}$

1.4

$\boxed{\boxed{\mathtt{x=2.15^{\circ} =30^{\circ}}}}$