Question

Afla:
m (SCB)=
m (BSC)=
m (SCA)=
m (SCD)=
m (ASC)=

URGENT!! DAU COROANA!!

Answer 1

Răspuns:

m (SCB) = 30°, deoarece SB = SC/2

m (SCB) = 180° - 90° - 30° = 60°

m (SCA) = m (BCA) - m (BCS) = 15°

m (SCD) = m (DCA) + m (SCA) = 45° + 15° = 60°

m (ASC) = 180° - m (SCA) = 180° - 15° = 165°