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Elena-2011 [213]
3 years ago
9

question is above...

Mathematics
2 answers:
butalik [34]3 years ago
6 0

Answer: this isnt the answer but these ads are S****TY dont click on this 1

i can barely see it please send a different picture

Step-by-step explanation:

Dimas [21]3 years ago
5 0

Answer:

sas

Step-by-step explanation:

i think its sas because iy states that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle then these two triangles wre congruent

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Why are angles opposite each other when two lines cross called vertical angles?
Nezavi [6.7K]
They are called vertical angles because the definition of vertical is: <span>in a direction, or having an alignment, such that the top is directly above the bottom. The "angles opposite each other when two lines cross" match the definition.</span>
3 0
3 years ago
In the diagram below, we have $ST = 2TR$ and $PQ = SR = 20$. Find the length $UV$.
Maslowich

Answer:

12

Step-by-step explanation:

1. ST=2TR and SR=20, then by segment addition postulate

ST+TR=SR\\ \\2TR+TR=SR\\ \\3TR=20\\ \\TR=\dfrac{20}{3}\\ \\ST=2\cdot \dfrac{20}{3}=\dfrac{40}{3}

2. Consider triangles PQU and TSU. These triangles are similar by AA similarity theorem (triangles have congruent vertical angles PUQ and TUS and congruent alternate interior angles PQU and TSU). Similar triangles have proportional corresponding sides, so

\dfrac{QU}{US}=\dfrac{PQ}{ST}=\dfrac{20}{\frac{40}{3}}=\dfrac{60}{40}=1.5

QU=1.5US

3. Consider triangles QUV and QSR. These triangles are similar by AA similarity theorem. Similar triangles have proportional corresponding sides, so

\dfrac{QU}{QS}=\dfrac{UV}{SR}\\ \\\dfrac{QU}{QU+US}=\dfrac{1.5US}{1.5US+US}=\dfrac{1.5}{2.5}=0.6

so

\dfrac{UV}{SR}=0.6\Rightarrow UV=0.6SR=0.6\cdot 20=12

7 0
3 years ago
Read 2 more answers
Help me, please it would get 15 points
serious [3.7K]

Answer:

Here are 5 (2,4), (3,6), (1,2), (4,8), (5,10)

Step-by-step explanation:

6 0
3 years ago
4.5.11
NISA [10]

Answer:B?

Step-by-step explanation:

4 0
3 years ago
A group of 27 students in sixth grade rode their bicycles to school one day. This number represents 20% of sixth grade students
vfiekz [6]
135 is what I think is the answer

Sorry if wrong
7 0
3 years ago
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