ATrillest
ATrillest
22-08-2018
Mathematics
contestada
please need help!!!!
Respuesta :
alphastrongholdash
alphastrongholdash
08-01-2019
Step-by-step explanation:
Ok, it's simple just pay attention. :)
Can see that the bottom-left angle of the triangle is right (90°);
because, of the little square there: so if you know, all triangles'
internal angles always add up to 180°
So 55° + 90°= 145°
180° - 145° = 35° so the three angles' are 55°; 90°; & 35°.
Okay?
I can see already that the angle on the left is 2/3 smaller than
the bottom one; so, it equals approx. ~66.7 (exactly 66.666...)
Now, can you continue doing it from the data I gave you now?
Good Luck! :)
David Edward.
Answer Link
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