Question

all formulas and properties of triangle chapter for class 7 ​

Answer 1

Answer:

Properties of Triangle:-

The sum of the interior angles of a triangle is always equals to 180o.

The sum of the measure of any two sides of a triangle is always greater than the measure of the third side.

An exterior angle of the triangle is equal to the sum of the interior opposite angles of the triangle.

Formula for area of Triangle:-

Area = 1/2×b×h

Pythagoras:-

H² = B² + P²

Answer 2

Answer:

Properties of Triangle:-

• The sum of the interior angles of a triangle is always equals to 180o.
• The sum of the measure of any two sides of a triangle is always greater than the measure of the third side.
• An exterior angle of the triangle is equal to the sum of the interior opposite angles of the triangle.

Formula for area of Triangle:-

Area = \frac{1}{2} \times

2

1 ×(Base Height)

Pythagoras Property:-

a^2 + b^2 = c^2a

2 +b2 =c2

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