1) Sistema de coordenadas cartesianas ortogonales a) ¿Por qué es un sistema? b) ¿Qué son las coordenadas?

Area and Circumference of a Circle Determine the area and circumference of a circle with diameter 18 inch Use 3.14 for \( \pi \). Round your answers to the nearest hundredth as neede Area \( =\square \) Select an answer \( \vee \) Circumference \( =\square \)

A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the whole window is 24 ft . give the area A of the window in square feet when the width is 5.5 ft . Give the answer to two decimal places. (a) What is the lenght of the semicircle top? (b) What is the length of the sides? (c) What is the area of the rectangle? (d) What is the area of the semicircle? (e) What is the area of the window?

How do you rotate 270 degrees counterclockwise about the origin? What is the rule for rotating 270 degrees about the origin? 

Area and Circumference of a Circle Determine the area and circumference of a circle with radius 17 cm . Use the \( \pi \) button on your calculator and round your answers to the nearest hundrei Area \( =\square \) Select an answer \( \vee \) Circumference \( =\square \)

Given that the two triangles are similar, solve for x if AU = 20x + 108, UB = 273, BC = 703, UV = 444, AV = 372 and AC = 589.