101 Great Science Experiments

101 Great Science Experiments

Matematika MOHON DIJAWAB :D Pls

MOHON DIJAWAB :D Pls

<P1 = 122°

<Q4 = ...

<P1 = <Q1

<Q1 + <Q4 = 180°

122° + <Q4 = 180°

<Q4 = 180° - 122°

<Q4 = 58°