Question

(30) In rectangle ABCD, If AB = 5 cm and BC = 12 cm, then BD
A.5
B. 10
C.12
D. 13​

Answer 1

Answer:

Step-by-step explanation:

In triangle ABD , angleA=90

BD^2=AB^2+AD^2

=5^2+12^2

=25+144

=169

BD=13

THERE FORE OPTION D IS THE CORRECT ANSWER

Answer 2

Answer:

AB²+BC²=BD²

⇒25+144=BD²

⇒BD²=169

⇒BD=13

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