Respuesta :

wolf1728

Answer:

29^2 = 20^2 + AC^2

AC = 21

Area of ABC = (21 * 20 ) / 2 = 210 square centimeters

Volume = (20 * 21 * 300) / 2

Volume = 63,000 cubic centimeters

Step-by-step explanation:

mhanifa

Answer:

210 cm²

63000 cm³

Step-by-step explanation:

a) A= AB*AC/2

AC= √29²-20²= √441= 21 cm

A= 20*21/2= 210 cm²

b) V=bl

b= 210 cm², l= 3m= 300 cm

V=210*300= 63000 cm³

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