1st one is 40
2nd is 4
3rd is 12
Hello!
The formula for a triangle is seen below.
A=0.5bh
You only need the base and height measurements to calculate the area. We have a height of 12 and a base of 5.
A=0.5(5·12)
A=0.5(60)
A=30
Our answer is B. 30.
I hope this helps!
Answer:
Question 3: 20/2 or 10
Question 4: 504/48 or 10 1/2
Step-by-step explanation:
Question 3: first, turn 2 1/2 into an improper fraction (5/2). Next, divide 5/2 by 1/4, or multiply 5/2 by 4/1. Simplify
Question 4: First make the denominators the same number. 7/8= 21/24 1/12= 2/24 next divide 21/24 by 2/24, or multiply 21/24 by 24/2. This gives yiu 504/48. Simplify
Hope this helped!