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From the figure u will get thatAX=AYBX=BZCY=CZnowper of triangle ABC =ab+bc+ac=ab+(bz+zc)+ac=ab+bx+ac+cy=ax+ay=2axper of triangle ABC =2axtherefore1/2perimeter of triangle =ax .

7)Tangents from an exterior point to a circle are equal in length.∴ BP = BQ ----- -(i) CP = CR ------(ii) and, AQ = AR ----- (iii)AQ = AR⇒ AB + BQ = AC + CR⇒ AB + BP = AC + CP...(iv) [From eqn (i) and eqn (ii)]Perimeter of ΔABC= AB + BC + AC= AB + (BP + PC) + AC= (AB + BP) + (AC + PC)= 2(AB + BP) [From eqn (iv)]= 2 AQ [From eqn (i)]⇒ AQ = 1/2(Perimeter of ΔABC)

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(11111)(11111) = 123454321

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A| | | 30 mt | B----------C 60°----D 30° |1.5 m EAE=height of building (30m)BE= 1.5m boy height

in ∆ABCTAN60=AB/BC√3= 28.5/BC√3BC=30BC= 30/√3= 30√3/√3√3=10√3 IN ∆ABD TAN30=AB/BD1/√3= 30/BDBD= 30√3 CD= BD - BC = 30√3 - 10√3 = 20√3 MT = 20×1.732 = 34.64MTHe moves 34.64mt towards building

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a

2.5 is the correct answer of the given question

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5/2+(-3/4)

=5/2-3/4

=5*2-3/4

=10-3/4

=7/4

Cost of 8kg wheat= ₹72By using unitary method, we will calculate the cost of 1kg wheat= 72÷8= 9Cost of 1kg wheat =₹9Cost of 15kg wheat= 9×15= ₹135 Answer

Interest= PTR/100hereP= 1000R= 17 %time 1 year

= 1000*7/100== 70amount = 1070

I don't think you are of 1st Grade

a (first term of A.P.) = 3d (common difference) = 8-3 = 5Let the nthterm of A.P. be an.an(nthterm of an A.P.) = 78an= a + ( n - 1 ) d78 = 3 + ( n - 1 ) 578 - 3 = ( n - 1 ) 575 = ( n - 1 ) 575 / 5 = ( n - 1 )n - 1 = 15n = 15 + 1n = 16Therefore 16thterm of the given A.P. is 78.

ty

thanks but it is too long but nice

Given :

AB = BC .....(1)

MB = NB .....(2) ( due to midpoint)

So,

Eq(1) - Eq(2)

AB - MB = BC - NB

AM = NC ( proved)

Third Axiom: If equals be subtracted from equals, the remainders are equal

tan 60 =30-2/ab

root 3 =28/ab

ab = 28/root 3

tan 30 = 28/cb

1/root 3 = 28/ ac + 28/rt 3

ac =28 rt 3 - 28/rt 3

ac =84 - 28/rt 3

ac =56/rt 3

32.34m.

Am i right

no u r wrong sonu😑

Q show me answer

page 2

a) 3 matchsticks

b) 2 matchsticks

wrong answerplease post correct answer

F is the correct answer for this question

{M,A,R,I,G,E} is the required set

28 × 36 = 1008 24 × 48 = 1152 1008 not equal to 1152vThey are not in proportion.

x*x - 7x + 12 = 0 x*x - 4x - 3x + 12 = 0 x(x-4)-3(x-4) = 0 (x-4)(x-3) = 0 x = 3,4

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1)x^2 + 7x + 12 = 0 x^2 + 4x + 3x + 12 = 0 x(x + 4) + 3(x + 4) = 0 (x + 3)(x + 4) = 0 x = - 3, - 4

2) x^2 + 3x - 10 = 0 x^2 + 5x - 2x - 10 = 0 x(x + 5) - 2(x + 5) = 0 (x - 2)(x +5) = 0 x = 2, - 5