Question

Calculate the values of Y, Z and T

Answer 1

Step-by-step explanation:

∆OAB

OA = OB ,(<OAB=50°)

<OAB =<OBA

Or, < OAB +<OBA+<AOB=180°.

50°+<OBA+<AOB=180°

<OBA +< AOB =180-50%2

<AOB =65° (Y) answer

<OAT=90° ,< OAB=50°

<OAB +< BAT =90°

<BAT=90-50=40°

(Z=40°) answer

∆OAT

<OAT=90°,<AOT Or,(<AOB same angle)=65°

<OAT+<OTA+<AOT =180°

<OTA=180-(90+65)

=180-155

=25°

<OTA=25°(t)