Find the length of the diagonal and the area of a rectangular whose sides are 10cm and 12cm
Answers
Answered by
0
Step-by-step explanation:
From figure,
By pythagorous,
D
2
=12
2
+5
2
D
2
=144+25
⟹D
2
=169
⟹ Diagonal, D=13cm
Answered by
0
Step-by-step explanation:
diagonal :
Pythagoras
d² = l² + b²
= 10² + 12²
= 100 + 144
= 244
d = √244
area = l * b
= 10 *12
= 120
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