Answer:
1926cm²
Step-by-step explanation:
Given
Dimension = 21cm by 18cn by 15cm
<em>The illustration in this question is to determine the surface area of the fabric and this is calculated using the surface area of a cuboid as follows:</em>
<em></em>

Where L, B and H are the dimensions.
So,





<em>Hence, 1926 cm² of fabrics are needed to cover all surfaces.</em>
Answer:
1
Step-by-step explanation:
Add 4+1=5 then do 5÷5=1
The lowest term of 836/54 is 418/27!
Answer:
<u>Angle B O C</u>
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Step-by-step explanation:
<em>Complementary angles add up to </em><em>90</em>
<em>Angles COD and BOC form a right angle which means they add up to </em><em>90</em><em>.</em>
<em />
Answer:
i dont know it srry
Step-by-step explanation: