Question

AJUTOR! Intr-un trapez, linia mijlocie are lungimea de 18cm, iar segmentul care uneste mijloacele diagonalelor este de 6cm. Calculati lungimea bazelor.

Answer 1

(B+b)/2=18 cm

B+b=18 cm*2

B+b=36 cm

(B-b)/2=6 cm

B-b=6 cm*2

B-b=12 cm

B+b=36 cm

B- b=12 cm

_________

2B =48 cm/:2

B =24 cm=>b=36 cm-B=36 cm-24 cm=12 cm

B=24 cm

b=12 cm