Plug in 0 for x and you get 5. Which is your answer :)
B
Using pythagoras theorem
Therefore to find AC (which is 2c)
Hence it's B.
Hello,
Sorry, i don't know the theorem in English
"Théorème des angles extérieurs :
la mesure en degré d’un angle extérieur est égale à la moitié de la différence des arcs interceptés par ses côtés."
Here
2x+15=1/2(10x+20-80)
==>4x+30=10x-60
==>6x=30+60
==>6x=90
==>x=15 °
Answer:
If the smallest two faces are not included, the surface area of the model will be 645 square mm
Step-by-step explanation: