Which of the following is true of the constructions of an equilateral triangle, a square, and a regular hexagon when they are inscribed in circles? the diameter in the first step of the constructions divides each shape in half. three diameters are needed to construct each inscribed polygon. the arc in step two of each construction divides the circle in half. the line segments that form each shape are congruent to the diameter of the circle.

An alien has just landed from the planet, iksnimak. he would like to leam how to add two fractions when thedenominators are the same. write a paragraph that explains to our alien friend, in your own words, the detailsabout how to add the fractions, how to change the result to a mixed number, and how to reduce the fractionpart. use this problem as your example: the two fractions are 5/8 & 7/8

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1