Answer:
Step-by-step explanation:
Cross multiply the givens
3b = 4a Divide both sides by 4
3b/4 = a Now divide by b
3/4 = a/b
This can be written as
3:4 :: a:b
d
formula for area of a triangle is base * width * 1/2
a = 4
2a + 7 = 15
- 7 - 7
2a = 8
/2 /2
Hope this helps!
7m + 29
You add 2m and 5m to get 7m
Then add -16 and 45 to get 29
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