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In triangle addition of all three angles is 180 P + Q + R = 180 Angles opposite to same sides are same PQ = PR R = Q and P = 70 70 + Q + Q = 180 2Q = 180 - 70 2Q = 110 Q = R = 55

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39 is the correct answer of the given question

0 is the correct answer

x^2+2x+1x^2+x+x+1x(x+1)+(x+1)(x+1)^2

In the triangle DEB and triangle ACD.

angle DEB=Angle ABC

anlge DEB = angle ACD (each is of 90)

therefore we can easily say that triangle DEB= triangle ACB ( according to AA rule)

Hence BE/BC =AC/DEAnd then now we can have BE/DE = AC/BE

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28 meter perimeter of rectangular field

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√4=2 hence it is rational

Let us assume that √7 be rational.then it must in the form of p / q [q ≠ 0] [p and q are co-prime]√7 = p / q=> √7 x q = psquaring on both sides=> 7q^2= p^2------> (1)p^2is divisible by 7p is divisible by 7p = 7c [c is a positive integer] [squaring on both sides ]p^2= 49 c^2--------- > (2)subsitute p^2in equ (1) we get7q^2= 49 c^2q^2= 7c^2=> q is divisble by 7thus q and p have a common factor 7.there is a contradictionas our assumsion p & q are co prime but it has a common factor.so that √7 is an irrational.

(i) &(iii) are irrational (ii) is rational

7 is not a perfect square root 7 is a irrational number. 4 is square of 2.so root 4 is a rational number. 2+root3 is a irrational number. sum of rational and irrational is a irrational number.

option A23.66 is the answer

total of A+B= 25×2=50total of B+C= 28×2=56total of C+A= 21×2=42total of 2(A+B+C)=148TOTAL OF A+B+C= 74AVG OF A,B,C,=74/3=24.66

option b24.66is the answer

option b 24.66is the right answer

by using average formula24.66 is the correct answer.

Option A is the answer

Option (b) is the right answer

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This happens because there is a flap like structure present over the trachea so when we eat food it closes and prevent any entry to trachea.you can check it also as when you swallow something you can't breathe.

Given :Perimeter=250cmLet a ,b, c be the sides of triangle with a and b having equa measurec=50cmSince a=ba+b+c=2502a+c=2502a=250-502a=200a=100Therefore the equal sides measure 100cm

i) A. T. Q.,(3x-10)+ (2x+20)=180°3x-10+2x+20=180°5x+10=180°5x=180-10x=170/5x=34°

(3x-10)+(2x+20)=180; 3x-10+2x+20=180; 5x+10=180; 5x=170; x=170/5 =34

x=34 is right answer of this question.

34° is the correct answer of the given question

x = 34 is correct answer

3x-10+2x+20=180(if a st line standing on another st line sum of angle = 180)5x+10= 1805x= 180-10=170x= 170/5= 34si angle 3x-10= 3×34-10= 102-10= 922x+20= 2×34+20= 68+20=88

Trachea is an air passage to your lungs, esophagus is a food passage to your stomach. Food aspirated into your lungs can result in choking, or pneumonia. A properly functioning epiglottis closes when one swallows to keep food from going into the trachea.

Also known as the windpipe, the trachea is prevented from collapsing by cartilaginous rings that resemble the rings in vacuum cleaner hoses.

Let the sides of given isosceles triangle arex, x and 3x

Then,Perimeter of triangle =x + x + 3x

Thus,5x = 65x = 65/5 = 13 cm

Therefore sides of triangle are 13 cm, 13 cm and 39 cm

let the missing angle be x so sum of angles in triangle is 180°x + 60° + 60° = 180°x = 180° - 120°x = 60°

In∆ABD,AM is height and BD is baseArea of ∆ADB=1÷2×base×height=1÷2×AM×BD___(1)In ∆CBD,CN is height and BD is baseArea of ∆CBD=1÷2×base×height=1÷2×CN×BD___(2)AREA of ABCD=Area of ∆ADB+Area of CBD=1÷2×AM×BD+1÷2×CN×BD=1÷2×BD×(AM+CN)

367 and 9108 and 3163 and 21572this not perfect squar roots

625,1764,this is a perfect square

2*2*2*2*3*7*7 this Is by upside down

2500 = 25×100 = 5*5*10*10 = 5*5*5*5*2*2

so, √2500 = 5*5*2 = 50

33° is the right answer......

a=180-57-90=33° is the best answer

33° is the right answer.

Its correct answer is 32

441 = 2121609=1473969=63389376=624

1)212)1473)634)624

441=2121609=1473969=63389376=624

1)212)1473)634)624

441 3969 and 21609 have odd square root. and 2916 and 389376 have even square root

441 = 21 (odd)2916 = 54 (even)3969 = 63 (odd)21609 = 147 (odd)389376 = 624 (even)

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below numbers are also possible570613457061435706314570634157064135706431

kite

also please tell me the adjacent side and opposite sides of kite