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Let side of triangle is a,b and c a= 18cm b= 10cm c= x Perimeter of triangle= a+b+c 42=18+10+x 42=28+x x= 42-28 x=14 So, c=14 semi perimeter=a+b+c/2 18+10+14/2 42/2=21 area of triangle by heron's formula √s(s-a)(s-b)(s-c) √21(21-18)(21-10)(21-14) √21x3x11x7 √3x7x3x11x7 (pair by of 3 and 7) 3x7√11 Ans-21√11

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Adventure of toto

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CBSE > Class 09 > English Lang & Lit. (184)

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Harinee Cls 10 4 years, 3 months ago

It's a story about a naughty monkey and it's atrocities

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Number of atoms in 4.25gm of NH3 Is

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CBSE > Class 09 > Science

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Satyam Sharma 4 years, 3 months ago

1380

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CBSE > Class 09 > Science

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Naim Baig 4 years, 3 months ago

I don't no

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Priya Kumari 4 years, 3 months ago

Give me answer

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class 9 sample paper 2021-22 term 1

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CBSE > Class 09 > Information Technology (402)

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Sahil Ansari 4 years, 3 months ago

Ctrl+P

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Ashu Yadav 4 years, 3 months ago

Write shortcut key for print

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How is electoral competition helpful to political parties and leaders to win elections

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CBSE > Class 09 > Social Science

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Chapter 15

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CBSE > Class 09 > Information Technology (402)

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Cells which use maximum amount of energy

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CBSE > Class 09 > Science

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Arnav Kumar Tripathy 4 years, 3 months ago

Mitochondria

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Ayushi Kumari Ayushi Kumari 4 years, 3 months ago

Mitochondria

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Bhai kisi ke pass term 1 ka paper hai science ka

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CBSE > Class 09 > Science

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In the given figure bo and co are bisectors of angle b and angke c respectively. If angle is 50 then boc

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CBSE > Class 09 > Mathematics

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Annu Kumari Dhaker 4 years, 3 months ago

Figure

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?????? ??? ??????

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CBSE > Class 09 > English Lang & Lit. (184)

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?????? ??? ??????

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CBSE > Class 09 > English Lang & Lit. (184)

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An irrational number between 1/7 and 2/7 is a) 1/2(1/7+2/7) b) 1/7×2/7 c) root(1/7×2/7) d) None

Posted by Kanishkar A 4 years, 3 months ago

CBSE > Class 09 > Mathematics

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Tanisha Khandelwal 4 years, 3 months ago

None

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Lalbabu Nishad Lalbabu Nishad 4 years, 3 months ago

Hgxt

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CBSE > Class 09 > Information Technology (402)

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Shubham Singh 4 years, 3 months ago

Bit

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Article on covid 19

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CBSE > Class 09 > English Lang & Lit. (184)

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IT esb is also called that cover the entire operations which exploit Information Technology for the efficiency of an organisation

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CBSE > Class 09 > Information Technology (402)

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Name Six Important physical feature of india

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CBSE > Class 09 > Social Science

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Anuj Mishra 4 years, 3 months ago

The Himalaya mountain The northern planes The peninsular plateau The Indian desert The coastal plain The Island

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Calculate the number of atoms present in0.25 mole of carbon atoms

Posted by Nikita Khakhlary 4 years, 3 months ago

CBSE > Class 09 > Science

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Nikita Khakhlary 4 years, 3 months ago

Momentum is the product of mass and velocity of an object

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Vaibhav Sharma 4 years, 3 months ago

momentum, product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e., it has both magnitude and direction. Isaac Newton's second law of motion states that the time rate of change of momentum is equal to the force acting on the particle. ... See also conservation law; angular momentum.

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Srikrishna Tiwari 4 years, 3 months ago

What is momentum

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Who is santosh

Posted by Umang Tawri 4 years, 3 months ago

CBSE > Class 09 > English Lang & Lit. (184)