Answer:
50
Step-by-step explanation:
as triangle is =180
then , 30 +100 +x =180
130 +x = 180
x= 180-130
=50
Answer:
-3
Step-by-step explanation:
keep the sign of the number with a higher absolute value and subtract the smaller absolute value from the larger
Answer:
this triangle is ABC with A(-2 ; -3), B(4; - 3) and C(3;5)
=>
using Heron theorem, we have:
with S is the area of the triangle
Step-by-step explanation:
Answer:
Mperpendicular=6
Step-by-step explanation:
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Answer:
The one that is 0,-3 and 3,0
Step-by-step explanation: