Answer:
Angle 2 is congruent to angle 4.
Step-by-step explanation:
A straight line equals 180 degrees. If the angle is not a right angle (90 degrees), two angles next to each other on the same line can not be equal. That is why angle 3 is not the answer.
Angle 3 = Angle 1 ; Angle 2 = Angle 4
Angle 1 + Angle 2 + Angle 3 + Angle 4 = 360 degrees
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Answer:
3
x
2
−
19
x
−
14
Step-by-step explanation:3
x
2
−
19
x
−
14
Answer:the first term is 6
Step-by-step explanation:
We would apply the formula for determining the sum of n terms of an arithmetic sequence. It is expressed as
Sn = n/2(a + l)
Where
n represents the number of terms in the arithmetic sequence.
l represents the last term in the arithmetic sequence.
a represents the first term in the arithmetic sequence.
From the information given,
l = 204
n = 12
Sn = 1260
We want to determine a. Therefore,
1260 = 12/2(a + 204)
1260 = 6(a + 204)
a + 204 = 1260/6 = 210
a = 210 - 204 = 6
Answer:
Step-by-step explanation:
The area of a trapezoid.
