Plz help
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180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation:

93-8=85

855=17

17*4=68

there are 68 purple marbles in that bag

measurement of the swimming pool is given as = 7 yards 4.79 feet

first we will convert this to yards only.

1 foot = 0.33 yards

so, 4.79 feet = yards

so total yards are = yards

now we will convert this in meters.

1 yard = 0.914 meters

8.580 yards = meters

0.842 m = 0.842*100 = 84.2 cm

this becomes 7 meters and 84.2 cm

hence, the pool is 7 meters and 84.2 cm wide.