Answer:
f. 85
Step-by-step explanation:
<u>All triangles add up to 180 degrees</u>
BCE=25
then you need to find DBC, you can do that since ABD is isocilies that means all sides are equal in length and angle so 180 divided by 3 (number of side) is 60
isoceles triangle have 2 sides that are equiangular, cince we know BCA is 25 we also know BAC is 25, leaving angle ABC to be 130 (180-50=130)
we subtract angle ABD from angle ABC to get angle DBC, leaving angle DBC to equal 70 degrees
since 70 (angle DBC) + 25 (Angel BCA)= 95
we just subtrract 95 from 180 to get the answer 85 (:
Answer:
7.50 stuped
Step-by-step explanation:
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He bought 4 wall calendars and 1 desk calendars
Because 4 X 8 = 32
And 1 x 10 = 10
32 + 10 = 42
Vector from P1 to P2 can be obtained by subtraction, similar to P2-P1.
In detail, it is
v=<x2-x1, y2-y1>
=<3-0,-4-0>
=<3,-4>
Answer:
0
Step-by-step explanation: