Question

*What is the diagonal length of a TV screen whose dimensions are 80 x 60 cm?*

1️⃣ 10 cm
2️⃣ 100 cm
3️⃣ 20 cm
4️⃣ 1000 cm​

Answer 1

$\huge\star\pink{Answer}$

2️⃣100cm is your answer

We can find this answer using Pythagoras theorem...let us consider a rectangle ABCD and let AB=80 cm and BC=60 cm...now draw a diagonal AC ...now ABC is a triangle... so AC^2=AB^2+BC^2 AC^2=80^2+60^2 AC^2=6400+3600 AC^2=10000 so AC=100 cm so length of diagonal =100 cm