2 years ago

Please help me out asap (geometry)

Mathematics

2 answers:

m_a_m_a [10]2 years ago

5 0

Answer:

Step-by-step explanation:

It's a right angle triangle

Galina-37 [17]2 years ago

4 0

Answer:

SAS axiom

Step-by-step explanation:

1.BD=AC(S)(given)

2.angle BAD=angle CDA(A)(both are right angles)

3.AD=AD(A)(common side)

4.∆ABD~=∆ACD(SAS axiom)

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Please tell me the coordinates

spin [16.1K]

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A'(-9, -3)

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2 years ago

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2+2 bằng bao nhiêu vậy mọi người

DerKrebs [107]

2+2 is 4

after that what u wrote i couldn't understand

4 0

2 years ago

[Read attachment]

attashe74 [19]

Answer:

r=2.9cm

Step-by-step explanation:

we know the formula, mass= density*volume

as a result we can figure out the volume = mass/density

=485/8 cm^3

=60.625cm^3

here comes another formula of volume of cone = $\frac{1}{3}$ $\pi$ $r^{2}$ $h^{}$

we will use this to find the radius,

$\frac{1}{3}$ $\pi$ $r^{2}$ $h^{}$ =60.625

$\pi$ $r^{2}$ $h^{}$ =181.875

h is 70mm which we will turn to 7cm

$\pi$ $r^{2}$ *7=181.875

$r^{2}$ =8.27

r=2.875825cm

r=2.9cm

nice question. hope this helps

6 0

2 years ago