Jakie długości mają boki równobocznego, którego wynosi 18cm???klasa 5 PLZZ NA SZYBKO :

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.