aminaaslam02
aminaaslam02 aminaaslam02
  • 12-07-2022
  • Mathematics
contestada

O is the centre of the circle shown below. Line DHG is a tangent to the circle.
Work out the size of angle a.
Justify your answer. ​

O is the centre of the circle shown below Line DHG is a tangent to the circleWork out the size of angle a Justify your answer class=

Respuesta :

Medunno13
Medunno13 Medunno13
  • 18-07-2022

[tex]\angle EHF=90^{\circ}[/tex] (an angle inscribed in a semicircle is a right angle)

[tex]\angle HEF=38^{\circ}[/tex] (alternate segment theorem)

[tex]a=52^{\circ}[/tex] (angles in a triangle add to 180 degrees)

Answer Link

Otras preguntas

The ages of nine people in an elevator were as follows: 17, 27, 2, 9, 48, 22, 65, 17, 22. What is the mode of the data? Type a numerical answer in the space pro
s this a simple or a compound sentence? Ramzi put an extra dash of ginger in the cookie batter.
What is (9.3x10^34)/(3.1x10^17) in scientific notation?
Find the exact value. log81 3 A) 1 4 B) 1 8 C) 1 12 D) 1 16
In a quiz , group A scored -35 ,8,0 and group B scored 8,0,-35 in three successive rounds . Which group scored more?Can we say that integers can be added in any
The range of 7 8 5 7 6 4 4
which of these is an acid A(Vinegar
Circle T is shown. Line segments P R and Q S are diameters. Lines are drawn to connect point P and point Q and point S and point R to form 2 triangles. Angle P
Something powerful is what italicized word ?
Which of the following resources are commonly found in Africa? i. oil ii. diamonds and gold iii. uranium and other minerals A. i. only B. ii. and iii. only C. i