Question

Sasha made four models of airplane wings, as shown below. Which model is a right triangle? (picture below)

Answer 1

see... check for validity of pythagoras theorem...

if the square of largest side (say h) equals sum of squares of other two sides (say a and b), then its a right angle!!

\[h^2 = a^2 + b^2\]

apply in each triangle to check. post your answer to verify!!!

Answer 2

do i have to do this for all 4 triangles ?

Answer 3

is it model B ?

Answer 4

yeah yeah yeah!! you gotcha!!!

Answer 5

Yay !:D thanks !!(:

Answer 6

model B

Answer 7

model C is the correct answer