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°
#Soysola (Spanish Edition)
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°