HOW MANY 7 DIGIT TELEPHONE NUMBERS ARE POSSIBLE IF THE FIRST DIGIT CANNOT
1 answer:
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Answer:
Step-by-step explanation:
Let the unknown angle be x
As the interior angles in a triangle are added up to 180°
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a= 16x+16
b= 40x + 15
Step-by-step explanation:
We know that perimeter of a rectangle is
So therefore
Answer= A) that is perimeter is 16x+16
We know that area of a rectangle is l×b
So therefore
Answer = b) that is area is 40x + 15