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Levart [38]
3 years ago
12

Are the two triangles below similar?PLEASE HELP ME!!!!!!!!!!​

Mathematics
2 answers:
dimulka [17.4K]3 years ago
5 0

Answer:

im going with number 3 sorry if im wrong

Step-by-step explanation:

laiz [17]3 years ago
5 0

Answer:

Yes; they have congruent corresponding angles.

Step-by-step explanation:

The two triangles are similar because their angles measure are the same. This is because 70 + 28 + 92 = 180 degrees and all Euclidean triangles angles measures must have a sum of exactly 180 degrees.

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Answer:   16 litres

Step-by-step explanation:

A:   1l          x  km

B:   1l         x+5   km

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400/x- 400/(x+5)= 4

400*(x+5)- x*400-4*x*(x+5)=0

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2000-4*x²-20*x=0     difide by 4 both sides of equation

500-x²-5*x=0

Lets solve the equation using discriminant:

D=5²-(-1)*4*500=2025

sqrt(D)=45

x1= (5+45)/(-2)= -25          x2=(5-45)/(-2)=20

x1=-25     x2=20

x1<0 so is not the solution of the problem ( number of litres can't  be negative)

So A uses  litr per x=20 km     and B uses 1 litr per 20+5=25 km

Running 400 km B uses 400/25=16 litres

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