eddsworldfrantic
06.09.2020 •
Mathematics
A square with side length C has an area of 81 square centimeters. The following equation shows the area of the square.
c2 = 81
What is the side length of the square in centimeters?
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Ответ:
The length of a side is
9 cm
. The length of the diagonal is
12.73 cm.
Step-by-step explanation:
Ответ:
m∠1 = 40°
Step-by-step explanation:
Measures of angle 1 and angle 2 are examples alternate exterior angles. Alternate exterior angles are basically a pair of angles that are outside the parallel lines and are on opposite sides of the transversal. In other words, alternate exterior angles are congruent to each other.
Since we are given that measure of angle 2 is 40°. Measure of angle 1 has to be 40° because both angle 1 and angle 2 are alternate exterior angles.