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Tresset [83]
2 years ago
9

How would you find the value of x ?

Mathematics
1 answer:
siniylev [52]2 years ago
3 0

Answer:

66

Step-by-step explanation:

the sum of all exteriors should be 360. so add all of them up and you get 294. then you subtract it from 360 and you are left with the only missing exterior angle, 66.

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Pls answer my question it is urgent
yaroslaw [1]

Answer: rs 400 and 500

Step-by-step explanation:

3 0
2 years ago
Una escalera, tiene un largo de 6m y está recargada en un muro. El ángulo entre la escalera y el muro es de 65°,
Rudiy27
Adyacente=hipotemusa*coseno del angulo
A=6*cos(65)
A=2.54m
Una pregunta, ¿estudias en educazion.net?
6 0
3 years ago
Find the formula for the area A and the perimeter P of the shape shown find the area and perimeter when R is 5 cm find R when A
Ghella [55]

Answer:

1)Area; A = ¼πr²

Perimeter; P = πr/2 + 2r

2)A = 19.63 cm²

P = 17.85 cm

3) r = 8.885 cm

4) r = 14 cm

Step-by-step explanation:

This is a quadrant of a circle. Thus;

Area of a circle is πr². A quadrant is a quarter of a circle. Thus;

Formula for Quadrant Area is; A = ¼πr²

A) Perimeter of a circle is 2πr. Thus, perimeter of a quadrant is a quarter of the full circle perimeter.

Formula for the quadrant perimeter in the image given is;

P = 2πr/4 + 2r

P = πr/2 + 2r

B) When r is 5 cm;

A = ¼π(5)²

A = 19.63 cm²

P = π(5)/2 + 2(5)

P = 17.85 cm

C) when A is 100cm²:

¼πr² = 100

r² = 100 × 4/π

r² = 78.9358

r = √78.9358

r = 8.885 cm

D) when P = 50 cm.

50 = πr/2 + 2r

50 = (½π + 2)r

r = 50/(½π + 2)

r = 14 cm

6 0
2 years ago
What is x equal to????
Ksju [112]

Answer:

x = 20

Step-by-step explanation:

The 3 arcs UV, VW, WX form a semicircle, so sum to 180° , that is

4x + 2 + x + 78 = 180

5x + 80 = 180 ( subtract 80 from both sides )

5x = 100 ( divide both sides by 5 )

x = 20

5 0
3 years ago
PLZ HELP I NEED THIS WILL GIVE BRAINEST
SCORPION-xisa [38]
(x,y) –> (x+9, y+8)
5 0
3 years ago
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