John had a watermelon with a mass of 3 kilograms. complete the bar model. then write the mass of the watermelonin grams.
1 answer:
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Answer:
Step-by-step explanation:
The interior angles of a triangle must add to 180 degrees.
Let's add the three angles we are given and see what the sum is.
- The three angles are 127, 38, and 15
Add them together.
- 127+38+15=180
- 3 angles = 180 degrees
The three angles equal 180 degrees, therefore they can create a triangle.
Answer:
42.3°
Step-by-step explanation:
Use SOH-CAH-TOA (O=opposite, A=adjacent, H=hypotenuse) we see that they give us the angle missing, x, but we first need to identify what method to use. They give us the opposite side from the angle, and they also give us the adjacent side from the angle, so TOA=tan.
now plug it in, since there is no angle then we plug it in as
in the calculator, (be sure to be in degree mode)
x= 42.3°
(does that make sense)