isabelreneexxx10 isabelreneexxx10
  • 02-02-2020
  • Mathematics
contestada

A pentagon is made from a square and an isosceles triangle.
Not drawn
accurately
125
12 cm
12 cm
- 12cm
Work out the perimeter of the pentagon.

Respuesta :

andreiaxy00797 andreiaxy00797
  • 01-07-2022

Answer:

55

Step-by-step explanation:

120- 90 = 35˚

35 × 2 = 70

180 - 70 = 110

x/sin35˚= 13/sin110˚ = 7.935cm = 8cm - sin theorem

Perimeter = 8 + 8 + 13 + 13 + 13 = 55cm

Answer Link

Otras preguntas

pros and cons of the inter's ability to access information
explain why it is not possible to draw a square that is not a parallelogram.
Please Help 3p/5=12 p=?
identify the three controls on a automobile they are responsible for causing the car to accelerate
true or false, Mendel discovered predictable patterns in the inheritance of traits ?
____________ is the act or process of explaining the meaning of something. a. Nonverbal communication b. Verbal communication c. Observation d. Interpretation
Intrusive igneous rock bodies are called A. tephra. B. cinder cones. C. tectonics. D. plutons.
The probability of randomly selecting a green marble from a bag of 20 marbles is 1/2 . Which of the following describes the likelihood of selecting a green marb
A submarine dives to a depth of 54.6 meters below the surface of the water in 4 minutes. What integer represents the constant rate the submarine travels per mi
A triangle has an exterior angle with a measure of 120°. Can you determine the measures of the interior angles? Explain.