O matemático Euler desenvolveu a seguinte formula: F + V = A +2 que relaciona o n° de faces, arestas e vértices de um poliedro. Aplicando essa fórmula um poliedro que tem 10 faces e 20 arestas possui: *

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Extra points! find the missing dimension! need asap

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.