Each side of a rhombus is 61 cm and one diagonal is 22 cm. Find (i) the length of the other diagonal and (ii) the area of the rhombus.
Answers
Answered by
44
half diagonals and a side makes a right triangle so we use pythagoras theorem.
(I)
x^2 + 11^2 = 61^2
x^2 + 121 = 3721
x^2 = 3600
x = 60
The length of the other diagonal is 120.
(ii)
Area = 1/2 d1xd2
= 1/2 (22)(120)
=1320.
(I)
x^2 + 11^2 = 61^2
x^2 + 121 = 3721
x^2 = 3600
x = 60
The length of the other diagonal is 120.
(ii)
Area = 1/2 d1xd2
= 1/2 (22)(120)
=1320.
Answered by
18
Answer:
Step-by-step explanation:
half diagonals and a side makes a right triangle so we use pythagoras theorem.
(I)
x^2 + 11^2 = 61^2
x^2 + 121 = 3721
x^2 = 3600
x = 60
The length of the other diagonal is 120.
(ii)
Area = 1/2 d1xd2
= 1/2 (22)(120)
=1320.
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