Question

salve it. question no.29​

Answer 1

Answer:

a=23 cm

b=27 cm

Step-by-step explanation:

area=475 cm²

height=19 cm

area of trapezium=1/2×h(a+b)

if a is x, b is x+4

475=1/2×19×2x+4

25=1/2×2x+4

2x+4=50

2x=46

x=23

x+4=27

a=23 cm

b=27 cm

hope it helped and pls mark as brainliest:)