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Ask QuestionPosted by Aayush Arora 5 years, 11 months ago
- 2 answers
Yogita Ingle 5 years, 11 months ago
Let 4x,3x,2x be the interior angles of a triangle in the given ratio: 4:3:2 then the sum of all interior angles of a triangle will be 180∘
as follows
4x+3x+2x=180∘
9x=180∘
x=20∘
hence the angles of given triangle are
x=4×20∘=80∘
3x=3×20∘=60∘
2x=2×20∘=40∘
Posted by Aayush Arora 5 years, 11 months ago
- 1 answers
Yogita Ingle 5 years, 11 months ago
Let 4x,3x,2x be the interior angles of a triangle in the given ratio: 4:3:2 then the sum of all interior angles of a triangle will be 180∘
as follows
4x+3x+2x=180∘
9x=180∘
x=20∘
hence the angles of given triangle are
x=4×20∘=80∘
3x=3×20∘=60∘
2x=2×20∘=40∘
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Posted by Praveen Kumar 5 years, 11 months ago
- 1 answers
Yogita Ingle 5 years, 11 months ago
Area of right angle triangle = 1/2 × base × height (perpendicular)
And
According to Pythagoras theorem :
H² = P² + B²
Here,
Base (B) = 24 cm
Hypotenuse (H) = 25 cm
Now,
According to Pythagoras theorem....
P² = H² - B²
=> P = √ (H² - B²)
=> P = √ (25² - 24² )
=> P = √ (625 - 576)
=> P = √ 49
=> Perpendicular = 7 cm
Now,
Area = 1/2 × B × P
= 1/2 × 24 × 7
= 84 cm²
Posted by Praveen Kumar 5 years, 11 months ago
- 1 answers
Yogita Ingle 5 years, 11 months ago
Area of right angle triangle = 1/2 × base × height (perpendicular)
And
According to Pythagoras theorem :
H² = P² + B²
Here,
Base (B) = 24 cm
Hypotenuse (H) = 25 cm
Now,
According to Pythagoras theorem....
P² = H² - B²
=> P = √ (H² - B²)
=> P = √ (25² - 24² )
=> P = √ (625 - 576)
=> P = √ 49
=> Perpendicular = 7 cm
Now,
Area = 1/2 × B × P
= 1/2 × 24 × 7
= 84 cm²
</div>Posted by Nikki Kumari 5 years, 11 months ago
- 1 answers
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- 2 answers
Posted by Chandrababu Kausthubham 5 years, 11 months ago
- 4 answers
Yogita Ingle 5 years, 11 months ago
We know that perimeter of triangle is sum of three sides. and it is an equilateral triangle so all sides would be same let them be x cm
so,
x + x + x = 30
3 x = 30
x = 10
now we know area of equilateral triangle is {tex} \frac{ \sqrt{3} }{4} x^{2}{/tex}
now the side is 10 cm,
then
{tex}\frac{ \sqrt{3} }{4} 10^{2} {/tex}
area= {tex}43.3 cm^{2} or 25√3 cm^{2} {/tex}
Posted by Sujata Devi 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
SI = P×R×T/ 100
Rs280 = 56000×x×2/100
Rs280 = 560×2x
280/ 560 = 2x
1/2 = 2x
1/2×2=x
1/4 = x
0.25 = x
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Yogiraj Deshmukh 5 years, 11 months ago
1Thank You