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motikmotik
3 years ago
10

Find the length of the third side to the nearest tenth. Hurry need help asap!!

Mathematics
1 answer:
gavmur [86]3 years ago
6 0

Answer:

2.8

Step-by-step explanation:

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A quadrilateral has two angles that measure 222° and 81°. The other two angles are in a ratio of 6:13. What are the measures of
hram777 [196]

\sf\huge\underline{\star Solution:-}

\rightarrow <u>Ratio of two angles are 6:13.</u>

So, let the one angle be \sf{6x} and another be \sf{13x.}

As we know that,

Sum of all interior angles of a quadrilateral = \sf\pink{360°.}

So let's sum up the given angles,

\rightarrow \sf{222°+81°+6x+13x \:=\:  360°}

\rightarrow \sf{303+19x \:=\:  360°}

\rightarrow \sf{19x \:=\:  360-303}

\rightarrow \sf{19x \:=\:  57}

\rightarrow \sf{x \:=\:  \frac{19}{57}}

\rightarrow \sf{x \:=\:  3}

Hence, \sf{x \:=\:  3}

So, First angle \sf{= \:6x\: = \:6×3 \:=} \sf\purple{18°.}

Second angle \sf{= \:13x\: = \:13×3 \:=} \sf\purple{39°.}

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Hope it helps you:)

3 0
2 years ago
Factorise completely<br> 12y² + 4y
otez555 [7]

Step-by-step explanation:

12y^{2}  + 4y \\4y( \frac{12y^{2} }{4y}  +  \frac{4y}{4y} ) \\ 4y(3y + 1)

8 0
2 years ago
Read 2 more answers
Emil brought stickers for his collection. small stikers were 5 cents each and large stickers were 12 cents each how man small an
Gekata [30.6K]
Include a picture of a hw problem or include how much money he has right now. This is not solveable.
7 0
3 years ago
Find the measure of &lt;1
Dmitry [639]

Consider the triangle (<em>in </em><em>which </em><em>angle</em><em>4</em><em> </em><em>is </em><em>present</em>)

by angle sum property,

20 + 40 + angle4 = 180

60 + angle4 = 180

angle4 = 180 - 60

angle4 = 120

Also,

angle2 = 120 (vertically opposite angles)

angle1 + angle2 = 180 (linear pair)

angle1 + 120 = 180

angle1 = 180 - 120

angle1 = 60

3 0
3 years ago
1.2983 rounded to nearest hundredth
exis [7]

Answer:

1.3000

Step-by-step explanation:

The 9 makes the 2 move to 3. Hope this helps.

3 0
3 years ago
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