Question

2. Observa as figuras seguintes e determina o valor de x e o valor de y. ​

Answer 1

a)

$\boxed{\boxed{\mathtt{x=\dfrac{120^{\circ}}{2}=60^{\circ}}}}$

b)

$\boxed{\boxed{\mathtt{x=\dfrac{90^{\circ}}{2}=45^{\circ}}}}$

$\boxed{\boxed{\mathtt{y=90^{\circ}}}}$

c)

$\boxed{\boxed{\mathtt{y=80^{\circ}}}}$

$\boxed{\boxed{\mathtt{x=180^{\circ}-80^{\circ}=100^{\circ}}}}$

d)

$\boxed{\boxed{\mathtt{x=15^{\circ}}}}$

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