Question

Find the perimeter of the rectangle whose length is 40cm and diagonal is 41cm​

Answer 1

Answer:

Perimeter = 98 cm

Answer 2

Answer:

Explanation:

P=2 l +2√d²-l²,

2(40)+2√41²-40²,

80+2(√81),

80+2(9),

80+18,

98 cm is the perimeter.