Answer:
<h2>
1,190cm²</h2>
Step-by-step explanation:
The Area of a triangle is expressed as 1/2 * base * height. If uma is planning to decorate a blanket with a triangular shape that has a base of 5 centimetres and a height of 7 centimetres, area of the blanket will be expressed as shown;
Area of the blanget = 1/2 * 7 * 5
Area of a blanket = 35/2 = 17.5cm²
If she plans to cut out 68 triangles with these dimensions, the total area will be total number of triangles * area of one triangle i.e 68 * 17.5 = 1,190cm²
Answer:
H= 23
Step-by-step explanation:
92 divided by 4 will give you 23
The protractor measures angles that open from left or from the right
Answer:
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Step-by-step explanation:
We are given that
Mean,
%=68.5/100
Standard deviation,
%=8.2/100
We have to find the probability that a student who wrote the examination had a mark between 80% and 100%.
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We know that
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Using the formula
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