Question

A picture frame is 80 cm by 60cm .The length of its diagonal is

Answer 1

Answer:

Step-by-step explanation:

Then picture frame is rectangle.

Since diagonal ^2 = l^2 + b^2

=) d^2 = 80^2 + 60^2

=) d^2 = 6400 + 3600

=) d^2 = 10000

=) d^2 = 100^2

=) d = 100cm.

Hope it's helpful to u.

Answer 2

Answer:

80²+60² = a²

6400 + 3600= a²

10000= a²

a = √ 10000

a = 100 cm

Step-by-step explanation:

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