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3 years ago

Classify the triangle with side lengths 11 cm, 30 cm, and 39 cm as acute, right, or obtuse

Mathematics

1 answer:

Ahat [919]3 years ago

5 0

Answer:

This triangle is a obtuse traingle.

Step-by-step explanation:

First of all, it is impossible that this triangle is actute since the sides are different length.

Right is also not possible ( in this case ) because there are two pretty far sides.

30, 39

A obtuse triangle have a short side of 11 cm pointing top right and a side of 30 cm pointing directly to the right and the 39 cm side connecting the ends of the other sides.

\ Third side ( 39 cm , the one connecting

First side ( 11 cm ) \ the ends of side 1 and 2)

\______________

Second side ( 30 cm )

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A line segment begins at the point (-4,-9) and ends at the point (21, 31.625).

KiRa [710]

Answer:

(6 , 7.25)

Step-by-step explanation:

Given in the question coordinates (-4,-9) and (21,31.625)

x1 = -4

y1 = -9

x2 = 21

y2 = 31.625

Ratio

a : b

2 : 3

Formula to use

x = x1 + $\frac{a}{a+b}$ (x2-x1)

y = y1 + $\frac{a}{a+b}$ (y2 -y1)

Plug values on the formula

x = -4 + $\frac{2}{2+3}(21+4)$

x = 6

y = -9 + $\frac{2}{2+3}(31.625+9)$

y = 7.25

Co-ordinates of the point which divide the line into 2:3 is

(6 , 7.25)

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3 years ago

Classify the triangle with side lengths 11 cm, 30 cm, and 39 cm as acute, right, or obtuse​

Classify the triangle with side lengths 11 cm, 30 cm, and 39 cm as acute, right, or obtuse