Matematika Sekolah Menengah Pertama tolong jawab plisssss​

kellyjacobiulv – June 10, 2023

tolong jawab plisssss​

Penjelasan dengan langkah-langkah:

a.

2× + 5× + 2× = 90

9× = 90

x = 90/9

x = 10°

b.

<DAE = 2× = 2(10) = 20°

<DAC = 5× = 5(10) = 50°

<CAB = 2× = 2(10) = 20°