The distances between three towns, A, B and C are as shown below.

A scalene triangle is formed by joining three points A, B and C. The side AC is 100 miles, the side BC is 120 miles. The length of the third side, AB, is not known.

What is most likely the distance from town A to town B?

15 miles

220 miles

20 miles

140 miles

Question

The distances between three towns, A, B and C are as shown below.

A scalene triangle is formed by joining three points A, B and C. The side AC is 100 miles, the side BC is 120 miles. The length of the third side, AB, is not known.

What is most likely the distance from town A to town B?

15 miles

220 miles

20 miles

140 miles

ganeshie8 · Answer

use this :- sum of any two sides must have to be greater than the third side.

ganeshie8 · Answer

test each option for that condition.

lopezking1 · Answer

Ohh okay now it you made sense lol

ganeshie8 · Answer

for ex:-
take 15 miles

Is 100 + 15 > 120 ?  

NO. So 15 is not fit for 3rd side. reject.

ganeshie8 · Answer

similarly test all other options.

lopezking1 · Answer

okay thanks :D

ganeshie8 · Answer

np :)