Respuesta :

Step-by-step explanation:

Given

base (BD)= 7 cm

Height (CE) = 4 cm

BC = 5.7 cm

CD = 5 cm

Now

Perimeter of the triangle

= BD + BC + CD

= 7 + 5.7 + 5

= 17.7 cm

Now

Area of the triangle

= 1/2 * base * height

= 1/2 * 7 * 4

= 14 cm²

Hope it will help :)❤

Answer:

Perimeter: 17.7cm       Area: 4x7= 28cm²        I think

Step-by-step explanation:

perimeter: 5.7+5+7= 17.7 cm