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liraira [26]
3 years ago
11

A triangle has a base 9cm and a perpendicular height 4.7 cm. work out the area of the triangle​

Mathematics
2 answers:
sweet-ann [11.9K]3 years ago
6 0
Formula for triangle- 1/2(BxH)

1/2(9x4.7)=21.15cm
Nastasia [14]3 years ago
5 0
Answer: 21.15

Explanation:
Half base (4.5cm)X 4.7cm = 21.15
If I helped please mark me brainliest
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The grid shows Figure Q and its image Figure Q′ after a transformation.
Svetach [21]

The transformation of pentagon Q to pentagon Q' is a clockwise rotation of 180° about the origin.

<h3>What is transformation?</h3>

A transformation is a general term for four specific ways to manipulate the shape or position of a point, a line, or a geometric figure.

We have,

Coordinates of a pentagon Q.

(2, 4), (3, 7), (7, 5), (5,4), and (4,2).

Coordinates of pentagon Q'.

(-2, -4), (-3, -7), (-7, -5), (-5,-4), and (-4,-2).

We see that the coordinates of each point of the pentagon Q have changed their position as negative coordinates in pentagon Q'

The coordinates of pentagon Q are in (x, y) which can be assumed to be in the first quadrant of the coordinate plane.

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brainly.com/question/4458799

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