4 years ago

Determine whether the given lengths form a right triangle.21 cm, 28 cm, 35 cm

Mathematics

1 answer:

lord [1]4 years ago

5 0

U have to add them all together

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4 years ago

Can an isosceles triangle that is not equilateral have an angle that measures 60°

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Answer:

An isosceles triangle that is not equilateral can not have an angle that measures 60°.

Step-by-step explanation:

An isosceles triangle that is not equilateral can not have an angle that measures 60°.

If we assume that one of the equal sides of the isosceles triangle is 60°, then another equal side will also be 60° and therefore, the third angle will automatically become (180° - 60° - 60°) = 60°.

Therefore, the triangle will become an equilateral triangle, which is not possible.

Again, if we assume that the unequal angle of the isosceles triangle is 60°, then the equal angles will also become 60° as $\frac{1}{2} [180 - 60] = 60$ degree.