Question

∆ABC - ∆PQR and ar (∆ABC) = 144cm”, ar(∆PQR) = 81cm². If QR = 27 cm then BC =____​

Answer 1

Answer:

ar (∆ABC) = 144cm

ar(∆PQR) = 81cm²

QR = 27

If,∆ABC - ∆PQR

then, ABC/PQR=BC/QR

        144/81=BC/27

       3888=81BC

       BC=3888/81

So, BC=48 cm

Step-by-step explanation: