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7. The bases of a trapezoid have measures (x-14) cm and (x + 2) cm. Its median is 30
cm long. How long is the shorter base?
A 22 cm
B. 36 cm
C. 38 cm
D. 76 cm​


Sagot :

Answer:

A. 22cm

Step-by-step explanation:

Formula:

MEDIAN = 1/2(B1+B2)

Solution:

30= 1/2[(x-14)+(x+2)]

x = 36 cm

B1= 36-14 = 22 cm (shorter base)

B2= 36+2 = 38 cm (longer base)

The Shorter Base is 22cm.