Answer:
only doing first one but ill teach you how
Step-by-step explanation:
4) 55
just solve for inner angles which have to equal 180. Then use supplementary angles to get outer.
Answer:
A 2 by 2 inch square has an area of 4 square inches.
If its area is increased by 21 inches, then its area equals 25 square inches.
To find the length of the side we take the square root of 25 square inches which is 5 inches.
Step-by-step explanation:
Answer:
She walked 3/20 more than Cody
Step-by-step explanation:
6/10 = 12/20, 3/4 = 15/20. 15/20 - 12/20 = 3/20
Subtract x from both sides so the answer would be; Y=-x+r
Answer:
B. 140 in^2
Step-by-step explanation:
A = 1/2(b1 +b2)(h)
=1/2(15 + 4 + 15 + 6)(7)
=1/2(40)(7)
= 140 in^2