Twilightbee248idn
Answered

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Which of the following
are right triangles?
Explain or show your
reasoning

Which Of The Following Are Right Triangles Explain Or Show Your Reasoning class=

Sagot :

Rhandieidn
First you must know that the Pythagorean Theorem can only work on right triangles so with that in mind if we plug the values of the triangles into the Pythagorean Theorem. If the equation is true then they are right triangles. If the equation is false then they are not right triangles.
Humaira20042008idn

Answer:

a] Yes, it is a right-angled triangle

b] No, it is not a right-angled triangle

c] Yes, it is a right-angled triangle

Step-by-step explanation:

a]

Pythagorus theorem:- (h)² = (p)² + (b)²

                                     15² = 9² + 12²

                                     225 = 81 + 144

                                     225 = 225

∴Proved the given figure is a right-angled triangle.

b]

Pythagorus theorem:- (h)² = (p)² + (b)²

                                     48.5² = √45² + 39²

                                     2352.25 = 45 + 1521

                                     2352.25 ≠ 1566

∴ Proved, the given figure is not a right angled triangle.

c]

Pythagorus theorem:- (h)² = (p)² + (b)²

                                     16² = 10² + √156²

                                     256 = 100 + 156

                                     256 = 256

∴Proved, the given figure is a right-angled triangle.

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