Answer:
m∠H = 10°
Step-by-step explanation:
ΔFGH is an isosceles triangle. I made a diagram, so m∠F ≅ m∠H by B.A.T(base angle theorem). This is because an isosceles triangle have to congruent sides and angles.
Diagram is attached:
-Chetan K
What is the 174th prime number?
1 answer:
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Answer:
1) The fourth point 'D' to make a square is D(3, 5)
2) The length of the side of the square is 2·√5 units
Step-by-step explanation:
1) The coordinates to be plotted are;
A(-1, 3), B(1, -1), C(5, 1)
Using Microsoft Word, the given points are plotted and the point D is found by noting that the sides BC and AD of the square are parallel and equal in length and the point 'C' is 4 units to the right and 2 units upwards, from the point 'B', therefore, the point 'D' will be located at 4 units to the right and 2 units upwards, from the point 'A' which has coordinates of D(3, 5)
The fourth point 'D' to make a square is D(3, 5)
2) Using Pythagoras's theorem, the length of a side of the square (AB) is given as follows;
AB = √((3 - (-1))² + (1 - (-1))²) = √20 = 2·√5
The length of the side of the square, AB = BC = CD = AD = 2·√5
