Answer:
perimeter = 67
Step-by-step explanation:
The number of points that were possible in the course is 420
What is the required number of points for grade A?
The number of points the student needs to have to make grade A is the student's current points of 371 plus the 7 points remaining to make grade A
Total points for A=371+7
total points for grade A=378
90% of the course total=378
divide both sides 90
90% /90 =378/90
1%=378/90
100%=378/90*100
100%=420
Find out more about course points on:brainly.com/question/8429607
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Answer:
Area of the shaded region= 
Step-by-step explanation:
Area of the shaded region=Area of the rectangle-Area of the circle
Area of rectangle= 
Area is:
Area of the circle = 
As, 
Area of the Circle is :
Area of the Shaded region:
Area of the shaded region
Answer:
45
Step-by-step explanation:
because its a right angled triangle which should be 90 degrees so 90-45=45 so AC is 45 and AB is 45 so the triangle ACB is 90
