A hovercraft takes off from a platform.
Its height (in meters), 3 seconds after takeoff, is modeled by
h(x)= -(x - 11)(x + 3)
How many seconds after takeoff will the hovercraft land on the ground?
seconds
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step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.

i think it is 18

step-by-step explanation:

solution:

we have to construct

∠m nt ≅ ∠p qr

the steps to draw this construction are

step 1: use a compass to draw an arc from point q which intersects the side pq at point a and the side qr at point b.

step 2: draw a segment nt and use the same width of the compass to draw an arc from point n which intersects the segment nt at a point x.

step 3:

step 4: join points n and y using a straightedge.

step 3:

option (d).maintaining the same width of the compass as ab, draw an arc from point x such that it intersects the arc drawn from n in a point y.

to draw   congruent angles , 1. width of compasses while drawing two angles should be same i.e from point at which angle has to be drawn, 2.the distance between the two points where the compass intersects the two sides should be same while drawing any two congruent angles.

yes

step-by-step explanation:

they have to be opposite and reciprocal of eachother.