The measure of an angle is 89. Find the measure of its supplementent a. 91
b. 89
c.90
d. 80

A) 91

Step-by-step explanation:

Supplementary angels are 2 angels whos sum is 180

To find the supplement of angle 89, substract 89 from 180

180-89 = x

91 = x

30.5*10=350$

you have to multiply the number without the decimal point then add it later but if its tenn u must move the place value of the decimal point 1 to the right.

answer:

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21  

-7 + ? = 21

-7 + 28 = 21

hope it