Answer:
129 degrees.
Step-by-step explanation:
As we can see, angle DCF is made up of 2 different angles, DCE and ECF, the sum of the measure of these two angles is equal to the measure of angle DCF.
75+54=129 degrees
Hope it helps!
Answer:
Step-by-step explanation:
Y2 + 72 ÷ x - 12
Putting values of x = 9 and y = 5 in the equation
(5)^2 + 72 ÷ 9 - 12
25 + 72 ÷ 9 - 12
25 + 8 - 12
33 - 12
= 21
Answer:
Proof of alternate exterior angles theorem. Consider the diagram above. The two lines are parallel.
Step-by-step i took the test but i guess i will show u % of the x and y quardernates and then x5 andd 6
Step-by-step explanation:
If the scale factor of two similar solids is a: b:. then
(1) the ratio of corresponding perimeters is a:b
(2) the ratio of the base areas, of the lateral areas, and of the total areas is 
(3) the ratio of the volumes is 
Answer:
7
Step-by-step explanation:
Mean = 6
so work backwards.
6 x 4 = 24
24 = total amount of all cards added together.
24 - 4 - 6 - 7 = 7
