The sum of angles of all triangles is 180
Answer:
134.1 ft²
Step-by-step explanation:
<u>Fine the area of the square first, then subtract the area of the circle to find the area of the shaded part.</u>
The area of the square
= 25²
= 625 ft²
The radius of the circle
= 25 ÷ 2
= 12.5 ft
The area of the circle
= π × 12.5²
= 490.87385...
= 490.9 ft² (rounded up to the nearest tenth)
The area of the shaded part
= 625 - 490.9
= <u>134.1 ft²</u>
Answer:
Yes it is
Step-by-step explanation:
3 + 4 =7
4 = 2(3) - 2
4 = 6 - 2
4 = 4
Step-by-step explanation:
by going down your screen after you ask a question and the answer is there i guess i dunno
Answer:
The number of ways in which students were chosen is 45 ways .
Step-by-step explanation:
Given as :
The number of students in a class = x = 10
The number of students chosen by teacher to go to library = y = 2
Let The number of ways in which students were chosen = n ways
<u>Now, According to question</u>
So, number of ways in which students were chosen = 
Or, n ways = 
Or, n = 
Or, n = 
Or, n = 
Or, n = 
Or, n = 5 × 9
i.e n = 45
So, The number of ways in which students were chosen = n = 45 ways
Hence,The number of ways in which students were chosen is 45 ways . Answer