2 years ago

Calculate the angle of a sector of 50° and a radius of 4cm

Mathematics

1 answer:

Anastasy [175]2 years ago

7 0

Answer: 20π/9 cm²

Step-by-step explanation:

Central angle is given as = 50°

We should note that for a complete circle to be made, it needs 360∘. Therefore, this is 50/360 = 5/36 of the area of a sector.

Area of the sector = 5/36 × πr².

= 5/16 × π × 4²

= 5/36 × π × 16

= 80π/36

= 20π/9 cm²

You might be interested in

In one day, a book store earned $253 in sales for 4 copies of a new cookbook and 5 copies of a new science fiction novel. On the

Aloiza [94]

Answer: cookbook $40 and science $15

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Can someone please answer. There is a picture. It is only one question. Thank you so much!

Fudgin [204]

It is 10, 24 , 26 :)

4 0

3 years ago

(4)(2) = (2)(4) what property is this out of commutative property , associative property, distributive property

Anna007 [38]

Answer:

Commutative property

Step-by-step explanation:

This is an example of the commutative property as its states that it is applicable in multiplication and addition where 2 numbers can switch places and give the same result in both situations.

(4)(2) = 8

(2)(4) = 8

7 0

3 years ago

What is the slope of line QR if Q(11,-2) and R(11,6)

jeka57 [31]

Answer:

noe lsoocslo oqiuepcn

Step-by-step explanation:

mcm

8 0

2 years ago

Need help with this problem

Zanzabum

Answer:

C. Priya needs to charge at least $21 per bracelet.

Step-by-step explanation:

$117b - 505 \ge 1952$

Add 505 to both sides.

$117b \ge 2457$

Divide both sides by 117.

$b \ge 21$

Answer: C. Priya needs to charge at least $21 per bracelet.

7 0

3 years ago