Answer:
The length of OR = 3.12
Step-by-step explanation:
In a parallelogram:
LM = 4.12
MN = 4
LN = 5 = 2.5 (divided by 2)
OM = 6.4
where LN and OM are diagonals. We will find the length of OR.
Now by applying the Pythagorean theorem:
b = √c²-a²
OR= √(4)²-(2.5)²
OR = √16-6.25
OR = √9.75
OR = 3.12
Thus the length of OR = 3.12 ...
Answer:
1/6
Step-by-step explanation:
1/6 + 1/6 = 2/6 = 1/3
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Answer:
Option (3)
Step-by-step explanation:
Option (1).
AB and SE are coplanar.
Incorrect.
AB lies in a plane ABS and SE lies in another plane SEL.
Option (2).
TS and SE intersect at E.
Incorrect.
They intersect at S.
Option (3).
R intersects K at SB.
Correct.
Since line of intersection of planes R and K is SB
Option (4)
AB and BL are perpendicular at B.
Incorrect.
Angle between them is not 90°.
