180=90+50+x
180=140+x
x=180-140=40
X=40
Answer:
36 students
Step-by-step explanation:
because if 1/6 is 6 students then you have to multiply the 6 by 6
Step-by-step explanation:
AB · BE = CB · BD Given
CB/BE = AB/BD Division Property of Equality
<ABC = <DBE Vertical angles are equal
ΔABC ≅ ΔDBE SAS Similarity Theorem
Hope it helps