Question

which word describes the triangle?

A. acute

B. right

C. obtuse

D. none of these

Answer 1

thank you

Answer 2

but it has 90 degree !

Answer 3

so it's a right angled triangle !

Answer 4

Whoops~
They're right.
It's a right triangle.

Answer 5

yeah I was looking at it again I agree

Answer 6

which set of three segments can form a triangle?
A. 9cm,4cm,15,cm
B. 6cm,10cm,16cm
C. 4cm,8cm,10cm
D. 6cm,20cm,30cm

Answer 7

use pythagorian theorum

Answer 8

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

Answer 9

and hypoteneous is always longer !

Answer 10

can you help with that?

Answer 11

ok let's start with option a

Answer 12

here 15 >9 and 4 so take 15=h and use the theorum and same goes with the other options

Answer 13

is it B?

Answer 14

well formula
and is this measure are for right angled triangle ?

Answer 15

I don't know it just says form a triangle the question above is a different one

Answer 16

ok then the whole thing has messed up

Answer 17

actully pythagorean theorum only applies for right angled triangle

Answer 18

to be honest I don't really know how to do that.

Answer 19

Use the triangle inequality theorem, which says that the sum of ANY two sides of a triangle must be strictly greater than the third side.

For example, sides 2,4, 8 cannot form a triangle because 2+4<8.
4,4,8 cannot either, because 4+4=8 and not >8.