ABCD is a isosceles trapezoid with AB=10, DB=8 and angle A=120 degrees what is the length of CD

Mathematics

1 answer:

spin [16.1K]3 years ago

5 0

Answer:

The answer is 10.6 (I'm sorry if it's wrong)

Step-by-step explanation:

found out what D and B is (they both are 4 I think) then add 10 with 8 then divide 120 with 18 which is 6.6 then add what D is and then I got 10.6

You might be interested in

Can someone help me please

Lady_Fox [76]

Let's solve your system by substitution.
y
=
−
2
x
+
7
;
y
=
5
x
−
7

Step: Solve
y
=
−
2
x
+
7
for y:
y
=
−
2
x
+
7

Step: Substitute
−
2
x
+
7
for
y
in
y
=
5
x
−
7
:
y
=
5
x
−
7
−
2
x
+
7
=
5
x
−
7
−
2
x
+
7
+
−
5
x
=
5
x
−
7
+
−
5
x
(Add -5x to both sides)
−
7
x
+
7
=
−
7
−
7
x
+
7
+
−
7
=
−
7
+
−
7
(Add -7 to both sides)
−
7
x
=
−
14
−
7
x
−
7
=
−
14
−
7
(Divide both sides by -7)
x
=
2

Step: Substitute
2
for
x
in
y
=
−
2
x
+
7
:
y
=
−
2
x
+
7
y
=
(
−
2
)
(
2
)
+
7
y
=
3
(Simplify both sides of the equation)

Answer: x=2 and y=3

6 0

3 years ago

The rectangular prism is to be sliced perpendicular to the shaded face and is to pass through point B, parallel to the front fac

Natasha_Volkova [10]

Answer:

the answer is c i took the quiz

Step-by-step explanation:

5 0

3 years ago

Which is equivalent to V4500° after it has been simplified completely?

Rufina [12.5K]

Answer:

Step-by-step explanation:

5 0

3 years ago

F(x) = x2 + 1<br> What is f(f(x))?

nadya68 [22]

Answer:The x could just mean a variable but I don't know what F means sorry.

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

You flip a coin and then roll a 6-sided number cube (a die).

expeople1 [14]

Answer:

a) No, it does not matter whether you roll the die or flip the coin first, as these two events are <u>independent</u> of each other, which means they do not affect each other.

b) Yes.