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3 years ago

How many lines of symmetry does an isosceles triangle have

Mathematics

2 answers:

timofeeve [1]3 years ago

4 0

Answer: 1

Step-by-step explanation: can only be split evenly by one line.

lubasha [3.4K]3 years ago

4 0

Answer:

1 line of symmetry

Step-by-step explanation:

An isoceles triangle has only 1 line of symmetry.

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Goshia [24]

2p+3>2p-6
-3 -3
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0p >-8
C. No solution

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3 years ago

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Jacob has 1/2 of a container of trail mix. He is filling snack packs that each use about 1/6 of a container. How many snack pack

kondaur [170]

Answer:

x = 3

Step-by-step explanation:

Jacob has 1/2 of a container of trail mix.

He is filling snack packs that each use about 1/6 of a container

We need to find the number of snack packs can Jacob make. Let he can make x snack packs.

$\dfrac{1}{6}x=\dfrac{1}{2}\\\\x=3$

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3 years ago

Right triangles abc and dbc with right angle c are given below. If cos(a)=15,ab=12 and cd=2, find the length of bd.

dmitriy555 [2]

see the attached figure to better understand the problem

we have that

$cos(A)=\frac{1}{5} \\ AB=12\ units\\ CD=2\ units$

Step 1

Find the value of AC

we know that

in the right triangle ABC

$cos (A)=(AC/AB)\\AC=AB*cos(A)$

substitute the values in the formula

$AC=12*(1/5)\\ AC=2.4\ units$

Step 2

Find the value of BC

we know that

in the right triangle ABC

Applying the Pythagorean Theorem

$AB^{2} =AC^{2}+BC^{2}\\ BC^{2}=AB^{2} -AC^{2}$

substitute the values

$BC^{2}=12^{2} -2.4^{2}\\BC^{2}= 138.24\\ BC=11.76\ units$

Step 3

Find the value of BD

we know that

in the right triangle BCD

Applying the Pythagorean Theorem

$BD^{2} =DC^{2}+BC^{2}$

substitute the values

$BD^{2} =2^{2}+11.76^{2}$

$BD=11.93\ units$

therefore

the answer is

the length of BD is 11.93 units

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3 years ago

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Describe how you can use the process of completing the square to find the maximum or minimum value of a quadratic function

Deffense [45]

Answer: Standard, y-coordinate, vertex

Step-by-step explanation:

Standard form is the equation

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2 years ago