ryleerod07
13.01.2021 •
Mathematics
If the vertices of APQR are P(0,0), Q (2,0) and R(1,3),
classify the triangle.
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Ответ:
ΔPQR is a isosceles triangle
Step-by-step explanation:
P (0,0) Q (2,0) R (1,3)
PR² = (3-0)² + (1-0)² = 10
RQ² = (3-0)² + (1-2)² = 10
PR = RQ
ΔPQR is a isosceles triangle
Ответ:
(3x-18)(x+1)=0
Step-by-step explanation:
-3x^2+9x+6×-18=0
0=3x^2-15x-18