Answer:
15 percent
Step-by-step explanation:
- 30/200=15/100
- 15/100=0.15
- 0.15=15 percent
y=40⁰
x=35⁰
Step-by-step explanation:
y⁰=40⁰ (because they are vertically opposite.)
2 of the triangles are isosceles triangle, in isosceles triangle the 2 bottom angles are the same.
The sum of a triangle is 180⁰,
180⁰=2x+2x+40⁰
180⁰=4x+40⁰
180-40=4x
140⁰=4x
140/4=x
x=35⁰
To check your answer,
2(35)+2(35)+40=180⁰
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360 ÷ 6 = 60 (Angles at a point)
Answer: 60°
Answer:
C≈4.08cm
Step-by-step explanation:
C=2πr=2·π·0.65≈4.08407