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3 years ago

Which triangle has congruent angles? Select one: a. isosceles b. right c. equilateral d. obtuse

Mathematics

1 answer:

Svetllana [295]3 years ago

5 0

Answer:

Congruent means all the same size and shape

Equilateral triangle has all the sides the same length, so it would be equilateral

Step-by-step explanation:

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Given circle and circle with radii of 6cm and 4cm respectively.

noname [10]

Solution :

Given that :

The radius of circle A = 6 cm

The radius of circle C = 4 cm

In circle A

$\angle EAF = \theta = 140^\circ$

The length of arc EF = $2 \pi r \times \frac{\theta}{360^\circ}$

$=2 \times 3.14 \times 6 \times \frac{140^\circ}{360^\circ}$

= 14.653 cm

In circle C

$\angle GCH = \theta = 140^\circ$

The length of arc GH = $2 \pi r \times \frac{\theta}{360^\circ}$

$=2 \times 3.14 \times 4 \times \frac{140^\circ}{360^\circ}$

= 9.769 cm

Therefore,

The length of EF is 14.653 cm

The length of GH is 9.769 cm

The length of EF is 1.5 times the length of GH

i.e. 14.653 = 1.5 x 9.769

14.653 = 14.653

Hence proved.

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3 years ago

Homeowrk help

Viktor [21]

✡ When subtracting negatives, your going to do the same thing has subtracting without negatives.

$-4 - -3= -1$

- - Hope this helps! - -

7 0

4 years ago

15 points what is 20-30+15x5=?

Ostrovityanka [42]

The answer is 25. 20-30= -10+15=5x5=25

6 0

4 years ago

Read 2 more answers

Will the opposite of zero always, sometimes, o never zero

bija089 [108]

The opposite of zero (0) is -0, which is always equal to zero~

3 0

3 years ago

Explain a method that you can use to change 17/40 that does not involve using a calculator to do 17/40. Also long division with

marissa [1.9K]

Answer:

you could use photomath TECHNICALLY you aren't using a traditional calculator

Step-by-step explanation:

download photomath

take picture

copy answer

boom

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4 years ago