Answer:
(a)
radius=diameter/2
=21/2=10.5m
(b)
radius=diameter/2
=3.25/2=1.625mm
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Step-by-step explanation:
step by step step by step step by step by step by step step by step 352 Part 8 International natural + 11 exercise to fork out
Step-by-step explanation:
AO = DO
2x+3 = 5x
3 = 5x-2x
3 = 3x
x = 1
DO = 5(1)=5cm
AC = 2×5 = 10cm
BC =√10²-8²
= √100-64
=√36
=6 cm
therefore, the perimeter of the rectangle
= 2×(8+6) = 2(14) = 28 cm
13.984 rounded to the nearest tenth is 14
.984 is closer to 1 than to .9, so we have to round up.
