natashalee2011 natashalee2011

06-07-2022
Mathematics

contestada

in rhombus PQRS below ,PT=11 m and QT =9m.Find the area of the rhombus .

in rhombus PQRS below PT11 m and QT 9mFind the area of the rhombus class=

Respuesta :

evgeniylevi evgeniylevi

06-07-2022

Answer:

198 [m²].

Step-by-step explanation:

1) required area can be calculated as four area of the triangle PQT:

A=4*A(ΔPQT);

2) A(ΔPQT)=0.5*PT*QT, then

3) A=4*0.5*PT*QT; ⇔

A=2*PT*QT; ⇒

4) finally,

A=2*11*9=198 [m²].

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