Answer:
D
Step-by-step explanation:
a right angle is 90° so if it's complementary, both angles have add up to 90° and 70° + 20° = 90°
Add all three fractions together to get the total growth in 3 weeks.
2 1/2+2 3/4+3 1/4=x (x being how much the sunflower grew in the 3 weeks)
Convert all fractions so they are mixed numbers.
5/2+11/4+13/4=x
11/4+13/4=24/4, or 6
Convert 6 to the fraction 12/2.
5/2+12/2=17/2, or 8 1/2
Hope this helps :)
The measure of each angle and their reasoning are explained for all in the explanation below.
We are given that;
m∠8=23°
a). From the given image, we see that;
m∠1 and m∠8 are supplementary angles and as such they sum up to 180°;
Thus; m∠1 + m∠8 = 180°
m∠1 = 180° - m∠8
m∠1 = 180 - 23
m∠1 = 157°
b). We see that m∠1 and m∠2 are angles that form a straight line.
Sum of angles on a straight line equals 180°. Thus;
m∠1 + m∠2 = 180°
m∠2 = 180 - 157
m∠2 = 23°
c). We see that m∠3 and m∠1 are vertically opposite angles and they must be equal. Thus
m∠3 = m∠1
Thus; m∠3 = 153°
d). We see that m∠4 and m∠2 are vertically opposite angles and they must be equal. Thus
m∠4 = m∠2
Thus; m∠4 = 23°
e). We see that m∠5 and m∠1 are corresponding angles and are therefore equal. Thus;
m∠5 = m∠1
m∠5 = 157°
f). We see that m∠6 and m∠8 are vertically opposite angles and as such;
m∠6 = m∠8
Thus, m∠6 = 23°
g). We see that m∠7 and m∠5 are vertically opposite angles and are therefore equal. Thus;
m∠5 = m∠7
m∠5 = 157°
Answer:
42.5
Step-by-step explanation:
When you do the bottom corners, it 2x2 divided 2 then you do 2x2, then 5x2 divided by 2 you do 3.5x9.0 when you add all of them up you get 42.5.
