StartFraction 3 pi Over 4 EndFraction radians
Step-by-step explanation:
Pi radians is equal to 180°
Given the minor arc angles as 135°, change this value to pi radians
180° =π radians
135° = ?
Cross multiply
135° * π radians / 180°
=135/180 * π radians
=3 π/4 radians
Learn More
Changing degrees to radians :brainly.com/question/12095161
Keywords: minor arc, measure, circle, line segment, radii, central angle
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For the first is 3864
The second is 1320
A=3.14(which is pie) x 20.5^2
A=420x pie
A=1320
For the third is 2544
3864-1320=2544
Sorry if this is wrong too.
Answer:
27 hope it helps you,.................
