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Supplementary angle is sum of angles is 180°Hence let the angle be X and (180-x)now given that difference.is 40°hencex-(180-x)=40x-180+X=402x=40+1802x=220x=110°hence greater angle is 110°

a cube + 52 b square + 2

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Area of shaded region is 5544 cm^2

Step-by-step explanation:

From the given figure, we can see that there are 2 large shaded semicircle and 2 small shaded semicircle

Let R be the radius of large semicircle and r be the radius of small semicircle.

Area of large semicircle

Area = (piR^2)/2

There are two large semi circle,

therefore total area = 2 x (piR^2)/2 = piR^2

Area of small semicircle

Area = (pir^2)/2

There are two large semi circle,

therefore total area = 2 x (pir^2)/2 = pir^2

Area of shaded region

Area = [piR^2 -pir^2] - pir^2

join all the shaded region we get a circle with radius 42

Area of circle with radius 42 = πR^2=22/7 x 42 x 42 = 5544 cm^2

the correct answer is 28 so 28 is the number which you want . please give it thank

28 is the right answer of the question

28 is the right answer of the question

28 is the right answer

28 is the perfect answer

option 2 2000is correct answer

Answer:

4). 250

Step-by-step explanation:

see the place Value of 2 in 3432058 is:-

2000

and Place Value of 8 in 3432058 is:-

8

A.T.Q

2000÷8

=250

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option 22000is correct answer

0.03x = 3x=100100 times

In which of the following numbers the place value of the digit 2 is 20000?

Let the digits be a, a+d and a+2d. Their sum i.e. 3a + 3d = 15 => a + d = 5 => second digit must be 5.

The number has to be of descending order as difference between this and reversed one is positive. So your choices are 654, 753, 852 and 951. Clearly, 852 is the one you're looking for. Let's formally solve it anyway.

100a + 10x5 + (a+2d) = given no.

a + 10x5 + 100(a+2d) = reversed no>

Subtracting,

99a - 99(a+2d) = 594 (gn.)

a - (a+2d) = 6

-2d = 6

d = -3

a + d = 5, so a = 5 + 3 = 8

Now substitute for a, a+d, and a+2d and you'll get the digits and hence the number required

total numbers=20multiple of 3=3,6,9,12,15,18multiple of 7=7,14probability= favourable outcome/total no. of outcomes6/20 or 2/20

from 1 to 100 there are 10 perfect squares so probability of getting square number 10/100 = 1/10

thanks

For Plot A :Let the length be l and breath be b then lb = 440 . ....................1

For Plot B :length will be l/2 and breath be b/2 then area = l/2 * b/2 = lb/4

From eq 1 we get lb / 4 = 440 / 4 = 110 sq. m

cos9°+sin9°/cos9°-sin9°dividing numerator and denominator by cos9°=(cos9°+sin9°)/cos9°/ (cos9°-sin9°)/cos9°=1+tan9°/1-tan9°=tan45°+tan9°/1 - tan45°×tan9°=tan(45°+9°)=tan54°so the answer is tan54°

Answer:d)tan 54°

Explanation:(cos 9°+sin 9°)/(cos 9°+sin 9°)

={(cos 9°+sin 9°)/cos 9°}/{(cos 9°+sin 9°)/cos 9°}

=(1+tan 9°)/(1-tan 9°)

=(tan 45°+tan 9°)/(1- tan 45°tan 9°)

=tan (45°+9°)

=tan 54°

theorem needs। a proof

the answer is not in the option.

√(2x2+ 9) = 92x2+ 9 = 922x2= 81 - 92x2= 72x2= 36so, x = 6 or - 6

2x^2+(4-3)x-6=02x^2+4x-3x-6= 02x(x+2)-3(x+2)=0(2x-3)(x+2)= 0x= -2 and x = 3/2

x^4–2x^3+2x^2–2x+1=0

divide both side by x^2.

x^2–2x+3–2/x+1/x^2=0

x^2+1/x^2–2(x+1/x)+3=0

x^2+2+1/x^2–2(x+1/x)+1=0

(x+1/x)^2–2(x+1/x)+1=0

Let x+1/x=t

t^2–2t+1=0

(t-1)^2=0

t-1=0

t=1 , put t=x+1/x

x+1/x=1

or x^2+1=x

or x^2-x+1=0

or (x)^2–2×x×1/2+(1/2)^2+1–1/4=0

or (x-1/2)^2=-3/4=(3i^2)/4=3(i/2)^2.

or x-1/2=+/-3^1/2.(i/2)

or x=1/2+/-3^1/2.(i/2).

or x=(1+/-i.3^1/2)/2

Company earn Rs 4 on each metre of cotton cloth sold.

Then,Amount company earn on 500 metre of cotton cloth sold= 500*4= Rs 2000

Therefore,Profit earned by company = Rs 2000

1) two equivalent ratio of 1:2are 2:4 and 4:8

2)two equivalent ratio of 5:3are 10:6 and 15:9

out of 4 only two can be in first two placeand only one child can be at one placeso nCr = 4C2= 4!/2!2!=6

they can finish in 4! ways24 ways

ii) According to given sum,

sin (1+tan)+cos (1+cot)=sec+cosec

=> LHS= sin (1+tan)+cos (1+1/tan)

=> sin (1+tan)+cos (1+tan)/tan

=> (1+tan)(sin+cos/tan)

=> (1+tan)(sin.tan+cos)/tan

=> (1+tan)(sin^2/cos+cos)/tan

=> (1+tan)(sin^2+cos^2)/tan.cos

=>(1+tan)/tan.cos

=>(1/tan.cos)+tan/tan.cos

=>( cot/cos)+(1/cos)

=> cosec +sec

LHS= RHS.

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Answer : B) 9

yes as 336 consists 21 in factorization

336 ÷21=16yes 336 is a multiple of 21