Question

Prove the following theorem indirectly. We will give you a start.

Prove that a triangle cannot have two right angles.

A triangle cannot have two right angles. Suppose a triangle had two right angles.

Answer 1

it cant because it would then have more than 3 sides

Answer 2

hhhmmm

Answer 3

right or wrong

Answer 4

If it had 2 right angles, then it would have 2 ninety degree angles. So those two angles would add to 90+90 = 180 degrees.


But there are 3 angles to any triangle and they always add to 180 degrees. If the first two add to 180 degrees, then the 3rd remaining angle must be 0 degrees, which doesn't make much sense.

Answer 5

So this proves that a triangle cannot have two right angles.


Side note: if a triangle does have a right angle, then it is known as a right triangle.

Answer 6

better explaination

Answer 7

what u think

Answer 8

umm u went into great detail

Answer 9

lol

Answer 10

im so lost lol

Answer 11

the answer is no

Answer 12

dont be lost the answer is no my explaination just tells you why

Answer 13

facts

Answer 14

i guess i just go overboard sometimes lol