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Simora [160]
3 years ago
7

Please help! 15 points!

Mathematics
2 answers:
andrew11 [14]3 years ago
7 0

B supplementary and C adjacent because supplementary angles equal to 180 degrees (straight line) and adjacent angles is when they’re connected

wolverine [178]3 years ago
5 0

Answer:

B supplementary

C  adjacent

Step-by-step explanation:

Vertical angles are across from each other and are equal  False

Supplementary angles add to 180 degrees (if next to each other they form a straight line)  True

Adjacent angles are next to each other  True

Complementary angles add to 90 degrees (from a right angle)  False

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for 10(15)+2(30)=$210


8 0
2 years ago
Due Soon Need Help Geometry!
AveGali [126]

 

Some basic formulas involving triangles

\ a^2 = b^2 + c^2 - 2bc \textrm{ cos } \alphaa  2 =b  2+2 + c 2

−2bc cos α

\ b^2 = a^2 + c^2 - 2ac \textrm{ cos } \betab   2=

 

m_b^2 = \frac{1}{4}( 2a^2 + 2c^2 - b^2 )m   b2 = 41(2a 2 + 2c 2-b 2)

b

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\ \frac{a}{b} = \frac{m}{n}  ba =nm  

​  

 

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A = \frac{1}{2}a\cdot b = \frac{1}{2}c\cdot hA=  

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\iits whatever  A = prA=pr with r we denote the radius of the triangle inscribed circle

\ A = \frac{abc}{4R}A=  

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5 0
3 years ago
Select the term that best describes the statement if a polygon has eight sides then it is an octagon
Brut [27]
The answer you are looking for is "conditional".
5 0
3 years ago
Read 2 more answers
Which of the following numbers is to the left of 5 2/3
yanalaym [24]

Answer:

C

Step-by-step explanation:

When you convert 5 2/3 to the common denominator as C, it is 5 8/12 which is larger than c meaning c is on the left of 5 2/3

5 0
3 years ago
Read 2 more answers
Given the following triangle, if c = sqrt 5 and a = 2, find the measure of B to the nearest degree.
matrenka [14]
The measure of B will be given by:
cos θ= adjacent/hypotenuse
θ=B
adjacent=a=2
hypotenuse=c=√5
thus;
cos B=2/√5
thus
B=arccos 2/√5
B=26.565°~26°
6 0
3 years ago
Read 2 more answers
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