Lenth of two sides of an is ascelestriangle = 10cm
Length of third side = 7cm
Perimeter of isosceles triangle -Please answer with formula
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Answer:
Triangle is isoceles so 2 sides are equal
1st side = 10cm
2nd side = 10cm
3rd side = 7cm
Perimeter = Sum of three sides
= 10+10+7
= 27cm
Perimeter is 27cm
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- Perimeter of Isosceles triangle is 27 cm.
Step-by-step explanation:
Given:-
- Length of two sides of an isosceles triangle is 10 cm.
- Length of third side of triangle is 7 cm.
To find:-
- Perimeter of Isosceles triangle.
Solution:-
We know that,
Perimeter of Isosceles triangle= a+b+c
In which,
- a, b and c are sides of triangle respectively.
Put value and sides in formula :
➞ 10 + 10 + 7
➞ 27
Therefore,
Perimeter of Isosceles triangle is 27 cm.
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More information:-
- Isosceles triangle is the type of triangle in which two sides are equal and two opposite angles are equal.
- Equilateral triangle is also type of triangle in which all angles and sides of triangle are equal.
- Scalar triangle is a triangle in which all sides and angles are unequal.
- Right angled triangle is a triangle in which one angle is right angled means of 90°. And other two angles are acute angles.
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