3 years ago

Are these triangles congruent? If so, state the rule which you used to determine congruence

Mathematics

1 answer:

Zepler [3.9K]3 years ago

3 0

Answer:

not necessarily confident cuz simply it doesn't look same size it should be similar

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Levart [38]

Answer:

4:25

Step-by-step explanation:

Given that,

r₁ = 15 inches, r₂ = 6 inches

The area of the cylinder is given by :

$A=2\pi rh+2\pi r^2$

The ratio of surface areas of two cylinders,

$\dfrac{S_2}{S_1}=\dfrac{2\pi r_2h_2+2\pi r_2^2}{2\pi r_1h_1+2\pi r_1^2}\\\\\dfrac{S_2}{S_1}=(\dfrac{r_2}{r_1})^2\\\\=\dfrac{6}{15}^2\\\\=\dfrac{4}{25}$

Hence, the required ratio is 4:25.

8 0

3 years ago

The radius of a circle is 2 miles. What is the circle's

4vir4ik [10]

Answer:

12.56

Step-by-step explanation:

4 ×3.14 to get 12.56

5 0

3 years ago

Find the slope of the line containing the pair of the points. (-10,9) and (-6,-9)

zlopas [31]

Answer:

-9/4

Step-by-step explanation:

putting these to y/x form it is 9/-10 and -9/-6 which has a difference of -9/4 (hopefully this is correct-)

5 0

3 years ago

Read 2 more answers

5. The table below represents fees for a parkirls lot. Graph the

Vladimir [108]

Answer:

15$

Step-by-step explanation:

5 0

3 years ago

Factor completely x2 + 20x + 99

Bad White [126]

$x^2 + 20x + 99=x^2+9x+11x+99=x(x+9)+11(x+9)=(x+11)(x+9)$

6 0

3 years ago